Yoswaty, Dessy, Rifardi Rifardi, Mubarak Mubarak, and Elizal Elizal. 2021. “Pemanfaatan Eco-Enzyme Ramah Lingkungan Bersama Kelompok Pencinta Alam Bahari (PAB) Kelurahan Pangkalan Sesai Kota Dumai”. Unri Conference Series: Community Engagement 3 (November), 125-32. https://doi.org/10.31258/unricsce.3.125-132.