SADIQ MS; SINGH IP; ISAH MA; LAWAL M. Price Transmission and Signals of Cowpea across Zones and Value Chains in Niger State, Nigeria. Contemporary Journal of Advancement in Food Science and Technology (CJAFST), [S. l.], v. 1, n. 1, p. 8–41, 2023. Disponível em: https://zapjournals.com/Journals/index.php/cjafst/article/view/193. Acesso em: 7 jun. 2025.