Mohammadian, Mahmoud, and Iman Makhani. “RFM-Based Customer Segmentation As an Elaborative Analytical Tool for Enriching the Creation of Sales and Trade Marketing Strategies”. International Academic Journal of Accounting and Financial Management, vol. 6, no. 1, June 2019, pp. 102-16, https://doi.org/10.9756/IAJAFM/V6I1/1910009.