R. Fadly, I. Wahyudin, and W. Winarsih, “Customer Segmentation Using K-Means Algorithm As A Basis For A Marketing Strategy In The Store Rumah Tua VAPE: Customer Segmentation Using K-Means Algorithm As A Basis For A Marketing Strategy In The Store Rumah Tua VAPE”, Mantik, vol. 4, no. 1, pp. 718-722, May 2020.