SINGH, A.; SINGH, R. NATURAL RESOURCES AND THEIR CONSERVATION: प्राकृतिक संसाधन एवं उनका संरक्षण. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 3, n. 9SE, p. 1–3, 2015. DOI: 10.29121/granthaalayah.v3.i9SE.2015.3210. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG15_S09_09. Acesso em: 29 jan. 2023.