KHAIRUL, K.; AJIDIRMAN; SUNARTI. The Physico Chemical Properties of Coal Mined Soil and Soybean Yield under Ameliorant Residue of In Situ Bituminous Coal and Its Coal Impurities. Akta Agrosia, [S. l.], v. 25, n. 2, p. 52–61, 2022. Disponível em: https://ejournal.unib.ac.id/Agrosia/article/view/25581. Acesso em: 3 apr. 2025.