Condroningtyas HP, Santoso T. The Effect of Product Quality and Service Quality on Customer Satisfaction at Kopi Tuku in Cempaka Putih. GRMILF [Internet]. 2026 Aug. 3 [cited 2026 Aug. 6];6(3):2312-25. Available from: https://goldenratio.id/index.php/grmilf/article/view/2304