OKONTA PATRICK O. DETERMINATS OF SIZE OF TRADE A: A CROSS COUNTRY ANALYSIS. Singaporean Journal of Business Economics and Management, [S. l.], v. 6, n. (10), p. 13–26, 2018. Disponível em: https://singaporeanjbem.com/index.php/SJBEM/article/view/458. Acesso em: 27 apr. 2026.