Samanta, Paramita, and Parijat Bhattacharya. “Zero Budget Natural Farming: A Sustainable Approach to Chemical-Free Agriculture”. Swami Vivekananda University Press (March 13, 2026): 32–48. Accessed October 24, 2026. https://swamivivekanandauniversitypress.com/index.php/svup/article/view/455.