RUFAI , A. U.; TAHIR, H. M. .; USMAN, I. B. .; AYUBA, I. T. . The Role of Commercial Banks on Agricultural Development in Nigeria: (1980-2015) – Hac - Consistent Covariance OLS Estimation Method . International Journal of Intellectual Discourse, [S. l.], v. 2, n. 2, 2019. Disponível em: https://www.ijidjournal.org/index.php/ijid/article/view/736. Acesso em: 30 jun. 2025.