Alam, S., Rashedujjaman, M., Hossain, M. and Hossain, K. 2017. Comparative Harvesting and Threshing Cost of Paddy by Combine Harvester and Self-propelled Reaper and Thresher. Journal of Environmental Science and Natural Resources. 10, 1 (Nov. 2017), 133–136. DOI:https://doi.org/10.3329/jesnr.v10i1.34706.