Essien, Eyo E., Ezekiel T. Ebitu, Edidiong O. Offong, and Christian Amadi. “The Influence of E-Marketing Promotional Tools On Church Membership Growth During the Covid-19 Lockdown in Calabar Municipality”. Nigerian Academy of Management Journal 18, no. 1 (August 15, 2023): 149–160. Accessed January 18, 2025. http://namj.tamn-ng.org/index.php/home/article/view/354.