Khanaphan K, Suggaravetsiri P, Chaiklieng S. Ergonomics risk and muscle fitness among rubber planters in Ubon Ratchatani Province. ubruphjou [Internet]. 2019 Dec. 27 [cited 2024 May 8];8(2):21-3. Available from: https://he02.tci-thaijo.org/index.php/ubruphjou/article/view/240309