Silalahi, Amin, Karnadi Karnadi, and Balthasar Watunglawar. 2026. “Enhancing the Quality and Adoption of Local Organic Fertilizer through a Farmer Assistance Program in Lumajang: Peningkatan Kualitas Dan Pemanfaatan Pupuk Organik Lokal Melalui Program Pendampingan Petani Di Lumajang”. Room of Civil Society Development 5 (2):164-73. https://doi.org/10.59110/rcsd.848.