Essien EE, Ebitu ET, Offong EO, Amadi C. The Influence of E-Marketing Promotional Tools On Church Membership Growth during the Covid-19 Lockdown in Calabar Municipality . NAMJ [Internet]. 2023 Aug. 15 [cited 2025 Jan. 18];18(1):149-60. Available from: http://namj.tamn-ng.org/index.php/home/article/view/354