วิจัยเดี่ยว
https://drive.google.com/open?id=0BxadFtBv80YRN3UwMHhqQlJPMHhGTDdma1dtZXdud2tuYmJ3
https://drive.google.com/open?id=0BxadFtBv80YROVc3aXJoVGpuRE0
https://drive.google.com/open?id=0BxadFtBv80YRZTNqRC1vS2l2SzA
https://drive.google.com/open?id=0BxadFtBv80YRMGEwXzdna1p5VDg
https://drive.google.com/open?id=0BxadFtBv80YRQ3BsNFN4VUhMUWM
https://drive.google.com/open?id=0BxadFtBv80YRbGxUQkZrOFFSTms
https://drive.google.com/open?id=0BxadFtBv80YReEJ4a2FDZDNhREU
วิจัยกลุ่ม
