Multinomial Regression Analysis of Cowpea (Vigna Unguiculata) Supply Response to Consumers’ Varietal Preferences in Delta State, Nigeria. Journal of Advanced Multidisciplinary Studies (JAMS), [S. l.], v. 1, n. IV, p. Page 294–315, 2026. Disponível em: https://jamsjournal.org/JAMS/article/view/927. Acesso em: 10 nov. 2026.