PURNOMO, B.; SUTOPO, N. R.; NURAINI, Y. Utilization of indigenous phosphate-solubilizing bacteria to optimize the use of coal fly ash for increasing available-P in an Ultisol. Journal of Degraded and Mining Lands Management, Malang, Indonesia, v. 8, n. 4, p. 2937–2946, 2021. DOI: 10.15243/jdmlm.2021.084.2937. Disponível em: https://jdmlm.ub.ac.id/index.php/jdmlm/article/view/920. Acesso em: 27 mar. 2025.