KUMAR, S.; RAI, J. TEMPORAL CHANGES IN CROP CONCENTRATION OF HARIDWAR DISTRICT. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 8, n. 6, p. 43–50, 2020. DOI: 10.29121/granthaalayah.v8.i6.2020.412. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG20_B06_3454. Acesso em: 27 apr. 2024.