Kunhadi, Dedy, Badriyah Badriyah, and Yayah Atmajawati. “Improving Skills to Manage Household Waste in Wonokromo Urban Village, Surabaya”. Kontribusia : Research Dissemination for Community Development 1, no. 1 (January 17, 2018): 43–46. Accessed June 7, 2025. https://journal.umg.ac.id/index.php/kontribusia/article/view/256.