MANDAL, C.; BHATTACHARYYA, T.; VENUGOPALAN, M. V.; TIWARY, P.; PAL, D. K. Agro-Ecological Sub-region: A wheel of technology transfer for crop planning. Indian Farming, Delhi, India, v. 64, n. 2, 2015. Disponível em: https://epubs.icar.org.in/index.php/IndFarm/article/view/49896. Acesso em: 7 aug. 2026.