SAKINA SUDIN; SUTISNA JAYAATMAJA; MUHAMMAD KHOIRUL ANAM; MUHAMMAD IRMANTO; ALGIFAHRI SUHAEMAN. Implementation of digital marketing in Khoirul’s business: Topup via Instagram acccount as an effective promotional medium. Ambidextrous Journal of Innovation Efficiency and Technology in Organization, [S. l.], v. 3, n. 01, p. 118–133, 2026. DOI: 10.61536/ambidextrous.v3i01.424. Disponível em: https://journal.takaza.id/index.php/ambidextrous/article/view/424. Acesso em: 20 feb. 2026.