Sakina Sudin, Sutisna Jayaatmaja, Muhammad Khoirul Anam, Muhammad Irmanto, & Algifahri Suhaeman. (2026). 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, 3(01), 118–133. https://doi.org/10.61536/ambidextrous.v3i01.424