ALIYU, Danladi; MBAYA, L. A.; KIM, Idoma. Valuation of On-site Gully Erosion Control Benefits in Gombe Metropolis, Gombe State, Nigeria. International Journal of Economic Development Research and Investment (IJEDRI), [S. l.], v. 15, n. 2, p. 85–97, 2025. Disponível em: https://icidr.org.ng/index.php/Ijedri/article/view/1786. Acesso em: 16 dec. 2025.