SAMANTA, Paramita; BHATTACHARYA, Parijat. Zero Budget Natural Farming: A Sustainable Approach to Chemical-Free Agriculture. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 32–48, 2026. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/455. Acesso em: 24 oct. 2026.