Nugroho, S. G., Dermiyati, ., Lumbanraja, J., Triyono, S., Ismono, H., Sari, Y. T., & Ayuandari, E. (2012). Optimum Ratio of Fresh Manure and Grain Size of Phosphate Rock Mixture in a Formulated Compost for Organomineral NP Fertilizer. JOURNAL OF TROPICAL SOILS, 17(2), 121–128. https://doi.org/10.5400/jts.2012.v17i2.121-128