Saad Moin, Hammad Zafar, Syeda Nazneen Waseem. DO SOCIAL MEDIA MARKETING ACTIVITIES PROMOTE CUSTOMER LOYALTY? THE MEDIATING ROLE OF CUSTOMER ENGAGEMENT AND BRAND TRUST: A STUDY OF THE E-COMMERCE INDUSTRY IN KARACHI, PAKISTAN. JSSD [Internet]. 2026 Jun. 12 [cited 2026 Oct. 7];5(4):107-36. Available from: https://www.jssd.org.pk/index.php/jssd/article/view/298