“The Impact of After-Sales Service Quality on Customer Satisfaction and Customer Loyalty of Middle-Upper Class Landed Housings”. Jurnal Teknik Industri: Jurnal Keilmuan Dan Aplikasi Teknik Industri, vol. 20, no. 1, June 2018, pp. 65-72, https://doi.org/10.9744/jti.20.1.65-72.