Mehra, Archana. “CHANGING ENVIRONMENT AND HUMAN BEHAVIOR: बदलता पर्यावरण और मानव.व्यवहार”. International Journal of Research -GRANTHAALAYAH 3, no. 9SE (September 30, 2015): 1–2. Accessed May 2, 2024. https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG15_S09_12.