Silalahi, A.; Karnadi, K.; Watunglawar, B. 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. RCS Development 2026, 5, 164-173.