Two-Stage Least Squares and Three-Stage Least Squares in Modelling Nigerian Economic Growth. International Journal of Development Mathematics (IJDM), [S. l.], v. 1, n. 2, p. 153–159, 2024. DOI: 10.62054/ijdm/0102.11. Disponível em: https://ijdm.org.ng/index.php/Journals/article/view/47.. Acesso em: 27 jul. 2026.