Saad Moin, Hammad Zafar, and 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, vol. 5, no. 4, pp. 107–136, Jun. 2026.