KITCHINGMAN, G. D. Soil Conservation in the Punjab. Indian Forester, [S. l.], v. 70, n. 6, p. 169–175, 1944. DOI: 10.36808/if/1944/v70i6/22181. Disponível em: http://indianforester.co.in/index.php/indianforester/article/view/22181. Acesso em: 4 dec. 2025.