Gutierrez, Rosemary. M. Wastewater technologies and environmental treatment : Proceeding of the ICWT2020 - Philippines : University of the Philippines Baguio, c2021. - viii, 115 p. : ill. ; 23 cm. ISBN: 9783030619916 LC Class. No.: 24207 Dewey Class. No.: 628.162 / GUT