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, India, v. 62, n. 4, 2015. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/47178. Acesso em: 25 oct. 2025.