Aris Sutejo, Widyasari, Aileena Solicitor Costa Rica El Chidtian, and Diana Aqidatun Nisa. 2020. “Free Of Waste River Concept With Social Campaign Creative Strategy”. IICACS : International and Interdisciplinary Conference on Arts Creation and Studies 4 (1):135-42. https://doi.org/10.33153/iicacs.v3i1.28.