Chaijenkij, K. “BODY COMPOSITION AND HEMATOLOGICAL FOLLOWING ASCENTS AND DESCENTS OF EXTREME ALTITUDE AT MT. EVEREST BASE CAMP IN A THAI ELDERLY MOUNTAINEERS”. Journal of Sports Science and Technology, vol. 16, no. 2, Dec. 2016, pp. 1-8, https://he01.tci-thaijo.org/index.php/JSST/article/view/66899.