Kumar, Dr. Anand, Rajesh Kundu, and Amandeep Singh. “Organic Farming: Challenges And Scope in Purba Bardhhaman District Of West Bengal”. History Research Journal 5, no. 5 (September 15, 2019): 1624-1637. Accessed August 5, 2026. https://journals.eduindex.org/index.php/hrj/article/view/13353.