Sasongko, P. E., Purwanto, P., Dewi, W. S., & Hidayat, R. (2022). Assessment of soil fertility using the soil fertility index method on several land uses in Tutur District, Pasuruan Regency of East Java. Journal of Degraded and Mining Lands Management, 10(1), 3787–3794. https://doi.org/10.15243/jdmlm.2022.101.3787