Wachdijono, W., B. Febriyanti, S. N. Wibowo, and I. T. Wahyuni. “The Relationship Between Consumer Loyalty and Time of Innovation through Coffee Shop Product Innovation Variables”. Research Trend in Technology and Management, vol. 1, no. 1, Jan. 2023, pp. 13-24, doi:10.56442/rttm.v1i1.2.