The table of contents.Chapter 1: background and importance วัตถุประสงค์.……………………………….................................................. สมมุติฐานการวิจัย.……………………................................................ ……. The scope of the study research ....................................................................... นิยามศัพท์เฉพาะ....………………………………......................................... Troubleshoot stress .............................................................Chapter 2 of the document and the related theory The meaning of stress .................................................................. The concept and the relevant hypothesis ................................................................. The cause of the stress ........................................................................ The effect of stress ...................................................................... Related research .....................................................................Chapter 3-How action research Steps to perform research, grain .................................................... Population and sample ... …………………………………................. Tools used in research ........................................................................ การเก็บรวบรวมข้อมูล ………………......................................................... Data analysis ....... .......... ………………….......................................... Chapter 4 the results of data analysis. Data analysis ... ……… ................................................................... 18 The results of data analysis (21) ........................................................................Chapter 5 Summary Discuss the results and recommendations ความมุ่งหมาย ……… ……………………………….............................. 23 Population/sample 23 ....................................................................... Machines used in research studies. ………………………............................... 23 How to perform data collection of 23 .......................................................... Summary of data analysis 23 ........................................................................... Suggestion ..... …….…………………...................................................….. 25 Bibliography
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