Beshel, C. A. ., L. J. . Asor, A. A. . Ojong, P. A. . Betiang, and V. E. . Ironbar. “Age, Gender, and Self-Concept As Predictors of Solid Waste Management Among Residents in Cross River State, Nigeria”. International Journal of Management and Sustainability, vol. 13, no. 2, Mar. 2024, pp. 320-36, doi:10.18488/11.v13i2.3693.