R. Sagar (2024) “Multianalytical Approach to Study Humic Substance Extracted from Farmyard Manure”, Journal of the Indian Society of Soil Science, 71(4), pp. 383–387. Available at: https://epubs.icar.org.in/index.php/JISSS/article/view/149143 (Accessed: 6 August 2026).