Promsrisuk, et.al, Tichanon, Wilaiwan Khrisanapant, Orapin Pasurivong, Watchara Boonsawat, Burabha Pussadhamma, Paitoon Benjapornlert, and Puttapol Chanchalad. “Prediction equations for maximum aerobic capacity using cardiopulmonary exercise testing among Thais”. Asia-Pacific Journal of Science and Technology 20, no. 4 (December 18, 2015): 449–458. accessed April 22, 2026. https://so01.tci-thaijo.org/index.php/APST/article/view/43815.