M. R. Bachtiar, L. Indayani, D. K. Sari, and M. Hariasih, “Promotions and Quality Drive ShopeePay Loyalty in Sidoarjo (Promosi dan Kualitas Mendorong Loyalitas Pengguna ShopeePay di Sidoarjo)”, jbhi, vol. 1, no. 4, pp. 1–13, May 2024.