S. T. N. S. S. A. B. and S. Raghothama, “Nuclear Magnetic Resonance Spectroscopic Study of Organic Components Extracted from Manures and Soils under Different Land Uses in Gujarat”, JISSS, vol. 62, no. 4, Mar. 2015, Accessed: Oct. 25, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/JISSS/article/view/47171