Nuryansyah, Bayu Aditya, dkk. “Mengukur Dampak Adopsi Payment Gateway Terhadap Loyalitas Pelanggan Dan Peningkatan Volume Transaksi UMKM”. Journal of Information Systems and Business Technology, vol. 1, no. 4, Desember 2025, hlm. 107-12, https://journal.jci.co.id/jisbt/article/view/258.