Septifani, R., Mustaniroh, S.A. and Rahmatri, D. (2019) “Consumer satisfaction analysis towards chocolate-based product using importance performance analysis and customer satisfaction index method: Case study at Kampung Coklat Blitar Indonesia”, Journal of Management, Economics, and Industrial Organization, 3(2), pp. 48–65. doi:10.31039/jomeino.2019.3.2.4.