Study of Noise Pollution During Pre-Carnival, Carnival and Post-Carnival Festivals in Calabar Municipality, Calabar, Cross River State, South - South Nigeria. Global Journal of Science Frontier Research, [S. l.], v. 13, n. 2, p. 29–33, 2013. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/. Acesso em: 21 oct. 2026.