Saengbumrung, Sawas. 2024. “Waste Management in Maharat Nakhon Rachasima Hospital”. Maharat Nakhon Ratchasima Hospital Journal 33 (2). Nakhon Ratchasima,Thailand:105-10. https://he04.tci-thaijo.org/index.php/MNRHJ/article/view/1840.