EFFIONG, M. O.; AKWO, T. C. Structure, efficiency, and cost-benefit analysis of crayfish marketing in major markets in Calabar, Cross River State, Nigeria. ADAN JOURNAL OF AGRICULTURE, [S. l.], v. 6, n. 1, 2025. DOI: 10.36108/adanja/5202.60.0130. Disponível em: https://adanjournal.org.ng/index.php/adanj/article/view/111. Acesso em: 29 aug. 2026.