IDDI, F. Y.; DONKOH, S. A.; DANSO-ABBEAM, G.; KARG, H.; AKOTO-DANSO, E. K. MARKETING EFFICIENCY ANALYSIS OF YAM VALUE CHAIN IN THE NORTHERN REGION OF GHANA. UDS International Journal of Development, [S. l.], v. 5, n. 1, p. 117–128, 2018. DOI: 10.47740/238.UDSIJD6i. Disponível em: https://udsijd.org/index.php/udsijd/article/view/238. Acesso em: 14 jul. 2024.