ASLAMATIS SOLEKAH, N.; JUMRIYAH, J. Strengthening Environmentally Friendly Behavior Through Waste Sorting and Recycling Programs Increasing Value Added Healthy Islamic Boarding Schools and Zero Waste. Engagement: Jurnal Pengabdian Kepada Masyarakat, v. 7, n. 2, p. 449-468, 4 Nov. 2023.