Ndu Eugene Chigozie and Iheanacho Martins Chika 2018. FOOD SERVICE DELIVERY AND CUSTOMER SATISFACTION IN PORT HARCOURT QUICK SERVICE RESTAURANTS: THE OPERATIONS MANAGEMENT ROLE . JournalNX - A Multidisciplinary Peer Reviewed Journal. 4, 08 (Aug. 2018), 38–55. DOI:https://doi.org/10.17605/OSF.IO/V95FR.