Limakrisna, Nandan, Deden Komar Priatna, and Winna Roswina. “Building Customer Loyalty”. International Journal of Engineering & Technology 7, no. 2.29 (May 22, 2018): 412–416. Accessed December 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/13664.