Ashwini C Chandel, Dipali Pawar, Anilkumar Mishra, and Arpula Sairam, “Impact of pulp and paper mill effluent on soil nutrient dynamics in Ludhiana, Punjab”, Int. J. Agric. Invent., vol. 11, no. 1, pp. 84–88, Mar. 2026, doi: 10.46492/IJAI/2026.11.1.13.