elvi elvi rahmi, Nainggolan NP. Pengaruh Relationship Marketing, Perceived Quality dan Servicescape Terhadap Loyalitas Pelanggan De’ Kampung Cafe . eCo-Buss [Internet]. 2023 Apr. 10 [cited 2024 Nov. 21];5(3):946-59. Available from: https://jurnal.kdi.or.id/index.php/eb/article/view/632