S. P. Singh, Kailash, and P. K. Gupta, “Organic fertilizers for sustainable nutrient management”, Ind. Farming, vol. 72, no. 10, pp. 26–28, Oct. 2022, Accessed: Jun. 27, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IndFarm/article/view/117504