Sumanta Khamari, et al. “Behaviour of Biochar As an Amendment for Soil Physico-Chemical and Biological Properties in Acidic Soil of West Bengal”. Journal of the Indian Society of Soil Science, vol. 74, no. 1, June 2026, pp. 45-55, https://epubs.icar.org.in/index.php/JISSS/article/view/180208.