Wachdijono W, Febriyanti B, Wibowo SN, Wahyuni IT. The relationship between consumer loyalty and time of innovation through coffee shop product innovation variables . rttm [Internet]. 2023 Jan. 17 [cited 2026 Apr. 30];1(1):13-24. Available from: https://rtt-journal.com/index.php/rttm/article/view/2