PINKI. सतत विकास और संसाधनों का संरक्षण पर अध्ययन. Innovative Research Thoughts, [S. l.], v. 4, n. 3, p. 313–317, 2018. Disponível em: https://irt.shodhsagar.com/index.php/j/article/view/1344. Acesso em: 19 sep. 2024.