Wongratanacheewin, Janista, Supagorn Vimonvanich, Napassorn Teeratakulpisarn, Nitirath Srimanta, Lunchakorn Pooparadorn, Benchaporn Choorus, Orawan Chitkulsampan, Suchada Paileeklee, and Sompong Srisaenpang. “The Level of Happiness and Possibly Related Factors Among Medical Students of Khon Kaen University in 2015 Academic Year”. Srinagarind Medical Journal 30, no. 5 (October 5, 2015): 56. Accessed May 29, 2022. https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/39941.