OLAJIDE, Johnson Taiwo; FANTOLA, Jubril Oluwatoyin; AYANSOLA, Olufemi Aderemi. Measuring economic growth in OPEC countries : A panel data approach. International Journal of Applied Mathematical Research, [S. l.], v. 4, n. 2, p. 345–350, 2015. DOI: 10.14419/ijamr.v4i2.4544. Disponível em: https://www.sciencepubco.com/index.php/ijamr/article/view/4544.. Acesso em: 28 apr. 2024.