Widhayasa, B., Sudrajat, S. and Rusdiansyah, R. 2019. Manganese and Sulfur Reduction by Soil Fungi on Post-Coal Mining Areas at Kutai Kartanegara, East Kalimantan. AGRORADIX : Jurnal Ilmu Pertanian. 2, 2 (Jun. 2019), 1-8. DOI:https://doi.org/https://doi.org/10.52166/agroteknologi.v2i2.1585.