SIENSO, Gifty; ISHMAEL, Ohammed; LAMBONGANG, Munkaila. Technical Efficiency of Sorghum Production in Garu District of the Upper East Region, Ghana. Economy, [S. l.], v. 8, n. 1, p. 1–9, 2021. DOI: 10.20448/journal.502.2021.81.1.9. Disponível em: https://asianonlinejournals.com/index.php/Economy/article/view/2537. Acesso em: 22 aug. 2025.