Koottatep, Thammarat, Achara Taweesan, Thongchai Kanabkaew, and Chongrak Polprasert. 2021. “Factors Affecting the Prevalence of Fecal Pathogen Infections: Approaches for Health Risk Protection: 10.32526/Ennrj/19/2020243”. Environment and Natural Resources Journal 19 (3). Nakhon Pathom, Thailand:239-45. https://ph02.tci-thaijo.org/index.php/ennrj/article/view/242169.