Piyada Wachirawongsakorn และ Sirima Khongmueang;Chanya Sabua. (2025) ASSESSMENT OF EFFLUENT QUALITY FROM DRAINAGE PIPES IN PHITSANULOK MUNICIPALITY. <i>Life Sciences and Environment Journal</i>, <i>26</i>(1), 34-50.Piyada Wachirawongsakorn และ Sirima Khongmueang;Chanya Sabua. "ASSESSMENT OF EFFLUENT QUALITY FROM DRAINAGE PIPES IN PHITSANULOK MUNICIPALITY". Life Sciences and Environment Journal 26 (2025):34-50.Piyada Wachirawongsakorn และ Sirima Khongmueang;Chanya Sabua. ASSESSMENT OF EFFLUENT QUALITY FROM DRAINAGE PIPES IN PHITSANULOK MUNICIPALITY. Pibulsongkram Rajabhat University:ม.ป.ท. 2025.