Ogidan, R. ., and T. . Apena. “Population Ageing, Lifelong Learning and Socio-Economic Development: Implication on Nigeria”. THE DarTU JOURNAL OF HUMANITIES AND EDUCATION, vol. 5, no. 1, Aug. 2026, https://ejournal.dartu.ac.tz/index.php/ojs-files/article/view/97.