Lawalee, Banjong, Phrasrivinayaphon, Suthep Maythaisong, Adisak Thumanan, and Chatchai Chomcharee. 2021. “The Study of Physical Performance of the Elderly School in Northeastern Region”. Academic MCU Buriram Journal 6 (1):172-83. https://so06.tci-thaijo.org/index.php/ambj/article/view/247199.