Ravadchai, Nara, Thiwakorn Rachutorn, Phatcharee Srikuta, Darunee Inthisaeng, Walailuk Ratchawong, and Suphanich Srivilai. 2022. “Knowledge, Attitude and Behaviors Among Workers Excreta Management in Nakhon Ratchasima Province”. Research and Development Journal, Loei Rajabhat University 17 (60):82-90. https://so05.tci-thaijo.org/index.php/researchjournal-lru/article/view/253743.