Application of Appropriate Technology for Making Organic NPK Fertilizer by Utilizing Palm Oil Mill Waste in Bekiung Village. Journal of Saintech Transfer, [S. l.], v. 7, n. 1, p. 16–21, 2024. DOI: 10.32734/jst.v7i1.13433. Disponível em: https://talenta.usu.ac.id/jst/article/view/13433. Acesso em: 4 aug. 2025.