Sangma, Christy B.K., et al. “Rock Phosphate Enriched Compost Vis-à-Vis Inorganic Fertilization: Effect on Soil Chemical and Biological Properties”. Indian Journal of Hill Farming, vol. 29, no. 2, Jan. 2017, https://epubs.icar.org.in/index.php/IJHF/article/view/66763.