OPPONG, Paul K. et al. Comparative Evaluation of Japanese Rice Thresher and Locally Built Thresher. African Journal of Food and Integrated Agriculture, [S.l.], v. 1, n. 1, p. 8 -14, mar. 2018. ISSN 2579-0307. Available at: <https://www.asofost.org/journals/index.php/ajfia/article/view/41>. Date accessed: 04 mar. 2021.