Rifaldi, Ahmad, et al. “ANALISIS PENGARUH TRUST, APPLICATION QUALITY, PERCEIVED USEFULNESS TERHADAP INTENTION TO PURCHASE DAN ACTUAL SYSTEM USE (STUDI KASUS PADA APLIKASI KAI ACCESS)”. Eqien - Jurnal Ekonomi Dan Bisnis, vol. 8, no. 2, Sept. 2021, pp. 394 – 404, doi:10.34308/eqien.v8i2.277.