OGAN , T. V.; ARICHE , C. K. A Critical Evaluation of Ayer’s Verification Principle. Journal of Good Governance and Sustainable Development in Africa , [S. l.], v. 4, n. 1, p. 23-36, 2021. Disponível em: http://journals.rcmss.com/index.php/jggsda/article/view/304. Acesso em: 2 may. 2024.