Sadeli A, Nasution TI. Waste Processing as Organic Compost Fertilizer Using Smart Composter in Sei Ular Village, Secanggang District, Langkat Regency. J.Saintech Transf. [Internet]. 2022Jun.8 [cited 2024Apr.19];5(1):13-20. Available from: https://talenta.usu.ac.id/jst/article/view/8740