Study on Environment Management Strategies of Leather Tannery Units- Punjab & Kolkata Region. International Journal of Inventive Engineering and Sciences (IJIES), [S. l.], v. 12, n. 10, p. 1–10, 2025. DOI: 10.35940/ijies.B2423.12101025. Disponível em: https://journals.blueeyesintelligence.org/index.php/ijies/article/view/905.. Acesso em: 1 nov. 2025.