Profitability Analysis of watermelon (Citrullus lanatus) Marketing in Gombe and Bauchi States, Nigeria. Jewel Journal of Scientific Research, [S. l.], v. 6, n. 1-2, p. 8–18, 2021. Disponível em: https://jjsr.org/index.php/jjsr/article/view/73. Acesso em: 27 oct. 2026.