Jagmanjot Singh, Baljit Singh, and S. S. Dhaliwal. “Long Term Impact of Poplar and Eucalyptus Based Agroforestry Systems on Physico-Chemical Properties and Nutrient Status of Soil in North-Western India”. Range Management and Agroforestry, vol. 43, no. 1, Oct. 2022, pp. 66-73, https://publications.rmsi.in/index.php/rma/article/view/634.