Emmanuel Ogechi, Wele, Jonathan Nyamadi, and Ademe-Godwin, Doris. “SERVICE CONVENIENCE AND MARKETING PERFORMANCE IN FAST FOOD RESTAURANTS IN RIVERS STATE”. GPH-International Journal of Business Management 6, no. 09 (September 30, 2023): 103-118. Accessed October 2, 2025. https://www.gphjournal.org/index.php/bm/article/view/1229.