Krisna IPD, Wijayanti M, Dharmanto A. PENGARUH KUALITAS PELAYANAN DAN PROMOSI TERHADAP LOYALITAS PELANGGAN PADA GADGET DI E-COMMERCE TOKOPEDIA (STUDI KASUS PADA MAHASISWA PROGRAM STUDI MANAJEMEN UNIVERSITAS BHAYANGKARA JAKARTA RAYA). Indonesian Journal of Economics and Strategic Management [Internet]. 2025 Sep. 27 [cited 2026 Oct. 22];3(3). Available from: https://journal.drafpublisher.com/ijesm/article/view/495