“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 13, no. 2 (January 21, 2013): 29–33. Accessed October 21, 2026. https://journalofscience.org/index.php/GJSFR/article/view/.