(l xmlns="httwww.rg/1999/xhtml"> Search Tha��� Digital Collection 2019 x</����e> <script type="text/javascript" src="a���ajax���></script> <style type="text/css"> #pop���nu{ position: absolute; back����nd-color: white; border:1px soli`–|­`U��p–|­`U��OP Xltip€–|­`U��ˆ–|­`U��IPXEml|a¨–|­`U��ø–|­`U��HCAC`U��à–|­`U��è–|­`U��GARP/jso¨`|­`U��(uu­`U��ØÈy­`U��˜Ç`­`U��text/html� charset=TIS-620�x; co(�l xmlns="htt���www.���rg/1999/xhtml"> <head> <title>Search Tha��� Digital Collection 2019 x</����e> <script type="text/javascript" src="a���ajax���></script> <style type="text/css"> #pop���nu{ position: absolute; back����nd-color: white; border:1px soli`–|­`U��p–|­`U��OP Xltip€–|­`U��ˆ–|­`U��IPXEml|a¨–|­`U��ø–|­`U��HCAC`U��à–|­`U��è–|­`U��GARP/jso¨`|­`U��Hdu­`U��ØÈy­`U��˜Ç`­`U��text/html� charset=TIS-620�x; color: black; display: block; } #popitmenu a:hover{ /*hover background color*/ background-color: #CCFF9D; } </style> <script type="text/javascript"> /*********************************************** * Pop-it menu- © Dynamic Drive (www.dynamicdrive.com) * This notice MUST stay intact for legal use * Visit http://www.dynamicdrive.com/ for full source code ***********************************************/ var defaultMenuWidth="400px" //set default menu width. //SPECIFY MENU SETS AND THEIR LINKS. FOLLOW SYNTAX LAID OUT ////No need to edit beyond here var ie5=document.all && !window.opera var ns6=document.getElementById if (ie5||ns6) document.write('<div id="popitmenu" onMouseover="clearhidemenu();" onMouseout="dynamichide(event)"></div>') function iecompattest(){ return (document.compatMode && document.compatMode.indexOf("CSS")!=-1)? document.documentElement : document.body } function showmenu(e, which, optWidth){ if (!document.all&&!document.getElementById) return clearhidemenu() menuobj=ie5? document.all.popitmenu : document.getElementById("popitmenu") menuobj.innerHTML=which menuobj.style.width=(typeof optWidth!="undefined")? optWidth : defaultMenuWidth menuobj.contentwidth=menuobj.offsetWidth menuobj.contentheight=menuobj.offsetHeight eventX=ie5? event.clientX : e.clientX eventY=ie5? event.clientY : e.clientY //Find out how close the mouse is to the corner of the window var rightedge=ie5? iecompattest().clientWidth-eventX : window.innerWidth-eventX var bottomedge=ie5? iecompattest().clientHeight-eventY : window.innerHeight-eventY //if the horizontal distance isn't enough to accomodate the width of the context menu if (rightedge<menuobj.contentwidth) //move the horizontal position of the menu to the left by it's width menuobj.style.left=ie5? iecompattest().scrollLeft+eventX-menuobj.contentwidth+"px" : window.pageXOffset+eventX-menuobj.contentwidth+"px" else //position the horizontal position of the menu where the mouse was clicked menuobj.style.left=ie5? iecompattest().scrollLeft+eventX+"px" : window.pageXOffset+eventX+"px" //same concept with the vertical position if (bottomedge<menuobj.contentheight) menuobj.style.top=ie5? iecompattest().scrollTop+eventY-menuobj.contentheight+"px" : window.pageYOffset+eventY-menuobj.contentheight+"px" else menuobj.style.top=ie5? iecompattest().scrollTop+event.clientY+"px" : window.pageYOffset+eventY+"px" menuobj.style.visibility="visible" return false } function contains_ns6(a, b) { //Determines if 1 element in contained in another- by Brainjar.com while (b.parentNode) if ((b = b.parentNode) == a) return true; return false; } function hidemenu(){ if (window.menuobj) menuobj.style.visibility="hidden" } function dynamichide(e){ if (ie5&&!menuobj.contains(e.toElement)) hidemenu() else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget)) hidemenu() } function delayhidemenu(){ delayhide=setTimeout("hidemenu()",500) } function clearhidemenu(){ if (window.delayhide) clearTimeout(delayhide) } if (ie5||ns6) document.onclick=hidemenu </script> <script type="text/javascript"> function MM_jumpMenu(targ,selObj,restore){ //v3.0 eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'"); if (restore) selObj.selectedIndex=0; } function insertAtCursor(myField, myValue) { if (document.selection) { // IE support myField.focus(); sel = document.selection.createRange(); sel.text = myValue; } else if (myField.selectionStart || myField.selectionStart == '0') { // MOZILLA/NETSCAPE support var startPos = myField.selectionStart; var endPos = myField.selectionEnd; myField.value = myField.value.substring(0, startPos) + myValue + myField.value.substring(endPos, myField.value.length); } else { myField.value += myValue; } } function incress_start(x) { var xx = x.value; document.browse_form.date_start.value = parseInt(xx)+1; if (document.browse_form.date_start.value > document.browse_form.date_end.value) { document.browse_form.date_end.value = parseInt(xx)+1; } } function decress_start(x) { var xx = x.value; document.browse_form.date_start.value = parseInt(xx)-1; } function incress_end(x) { var xx = x.value; document.browse_form.date_end.value = parseInt(xx)+1; } function decress_end(x) { var xx = x.value; document.browse_form.date_end.value = parseInt(xx)-1; if (document.browse_form.date_end.value < document.browse_form.date_start.value) { document.browse_form.date_start.value = parseInt(xx)-1; } } </script> <meta http-equiv="Content-Type" content="text/html; charset=windows-874" /> <META NAME="Author" CONTENT="¨ÕоŠ¤ØèÁà¤ÕèÂÁ,jeerapol kumkeam"> <META NAME="Keywords" CONTENT="ÇÔ·ÂÒ¹Ô¾¹¸ì,thesis,ÃÒ§ҹ¡ÒÃÇÔ¨ÑÂ,research report,º·¤ÇÒÁÇÔªÒ¡ÒÃ,article"> <META NAME="Description" CONTENT="°Ò¹¢éÍÁÙÅàÍ¡ÊÒéºÑºàµçÁã¹ÃÙ»ÍÔàÅç¡·Ã͹ԡÊì ¢Í§ ÇÔ·ÂÒ¹Ô¾¹¸ì ÃÒ§ҹ¡ÒÃÇԨѠº·¤ÇÒÁÇÔªÒ¡Òà áÅÐ Í×è¹ æ "> <!-- * DO NOT REMOVE THE FOLLOWING - FAILURE TO COMPLY IS A DIRECT VIOLATION * OF THE GNU GENERAL PUBLIC LICENSE - http://www.gnu.org/copyleft/gpl.html --> <meta name="Generator" content="ThaiLIS. All rights reserved." /> <!-- * END OF COPYRIGHT --> <meta charset="utf-8"> <meta name="viewport" content="width=device-width, initial-scale=1"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css"> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script> <link rel="preconnect" href="https://fonts.googleapis.com"> <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin> <link href="https://fonts.googleapis.com/css2?family=Sarabun&display=swap" rel="stylesheet"> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> <style> body { font-family: 'Sarabun', sans-serif; } /* Remove the navbar's default margin-bottom and rounded borders */ .navbar { margin-bottom: 0; border-radius: 0; } /* Add a gray background color and some padding to the footer */ footer { background-color: #f2f2f2; padding: 25px; } .frame { height: 100vh; overflow-y: auto; padding: 20px; } .left-frame {