A.K. Biswas, Tapan Adhikari, S. Kundu and. “Efficacy of Novel Phosphatic Fertilizer Derived from Sagar Rock Phosphate”. Journal of the Indian Society of Soil Science 62, no. 4 (March 10, 2015). Accessed June 26, 2026. https://epubs.icar.org.in/index.php/JISSS/article/view/47178.