A.K. Shukla, Vivek Sharma and M.K. Dhaliwal, S.S. Dhaliwal*, J.K. Dhaliwal,. “Effect of Different Organic Manures on Build-up of Soil Organic Carbon and DTPA-Extractable Micronutrients in Soil Profile under Basmati Rice-Wheat System”. Journal of the Indian Society of Soil Science, vol. 68, no. 1, Sept. 2020, https://epubs.icar.org.in/index.php/JISSS/article/view/104551.