The influence of product quality on customer satisfaction at the Zieffa Bakery and cake shop in Bagan Batu Rokan Hilir Regency ABSTRACK MUNNAH 207210546 The aim of this research is to determine how product quality affects customer satisfaction at Zieffa Bakery And Cake Shop in Bagan Batu, Rokan Hilir Regency. The sampling technique used in this research is non-probability sampling, which means …