บทที่ 1 บทนำ…………………………………………………………………………………… 1
ภูมิหลัง…………………………………………………………………………………. 1
The aims of the research, 4 importance of ........................................................................ research
4
........................................................................... The choice is expected to solve the problem 4
.................................................................... Scope of the research study on variable .................................................................................... ....................................................................................... 5
5
aim 5
.......................................................................................... Terms only 5
................................................................................... Conceptual framework of research the research hypothesis 6 .............................................................................. 6
...................................................................................
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