Rahmawati, D., Erdiansyah, E. and Arriyanto , M. N. (2026) “INSTAGRAM SOCIAL MEDIA MARKETING AND QRIS PAYMENT USE AS PREDICTORS OF PERCEIVED SALES IMPROVEMENT: EVIDENCE FROM PEMPEK SENTOSA JAKABARING, INDONESIA”, Multifinance, 4(2), pp. 28–40. doi: 10.61397/mfc.v4i2.592.