AJJIMAPORN, A., CHAIJENKIJ, K., & CHAUNCHAIYAKUL, R. (2014). EFFECTS OF EXERCISING POSTURE ON HEART RATE AND ENERGY EXPENDITURE IN PREGNANT THAI WOMEN. Journal of Sports Science and Technology, 14(1), 145–154. retrieved from https://he01.tci-thaijo.org/index.php/JSST/article/view/44098