MODELLING NIGERIA POPULATION GROWTH RATE. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 10, n. 6, p. 3567–3574, 2015. DOI: 10.24297/jam.v10i6.1678. Disponível em: https://www.rajpub.com/index.php/jam/article/view/1678. Acesso em: 19 jun. 2026.