SINGH, M. U. Performance Evaluation of Some Manually Operated Weeders Used in Jhum Cultivation in Hill Regions of Arunachal Pradesh. Indian Journal of Hill Farming, India, v. 30, n. 2, 2018. Disponível em: https://epubs.icar.org.in/index.php/IJHF/article/view/77126. Acesso em: 12 jun. 2026.