QUAYUM, M.; ALI, A. M.; SALAM, M. Impact of power tillers on profitability of some cropping patterns in some selected areas of Bangladesh. Bangladesh Journal of Agricultural Research, [S. l.], v. 37, n. 3, p. 415–432, 2012. DOI: 10.3329/bjar.v37i3.12085. Disponível em: https://banglajol.info/index.php/BJAR/article/view/12085. Acesso em: 18 sep. 2024.