Jagdish Prasad, et al. “Soil Fertility and Mineralogy of the Litchi-Supporting Soil of Muzaffarpur District, Bihar”. Journal of the Indian Society of Soil Science, vol. 73, no. 4, Apr. 2026, pp. 472-5, https://epubs.icar.org.in/index.php/JISSS/article/view/177984.