Ghosh, G.K., Chattopadhyay, G.N. and Chattopadhyay, S. (2005) “Availability and forms of sulphur in red and lateritic soils of Birbhum district of West Bengal*”, The Indian Journal of Agricultural Sciences, 75(6). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/9378 (Accessed: 21 October 2025).