MODELLING GEOGRAPHICAL VARIATIONS OF PARITY LEVELS IN THE FACE OF FAMILY PLANNING METHODS IN NIGERIA. The Journals of the Nigerian Association of Mathematical Physics, [S. l.], v. 70, p. 45–56, 2025. DOI: 10.60787/jnamp.vol69no2.537. Disponível em: https://nampjournals.org.ng/index.php/home/article/view/537.. Acesso em: 13 sep. 2025.