Purnama, I., S. Ericca, L. Hafni, J. O. Purba, and D. J. S. Tjahjana. “Promotion Strategies, Distribution, and Product Variations on Offline and Online Purchase Decisions at Aneka Salim Group Pekanbaru”. Interconnection: An Economic Perspective Horizon, vol. 1, no. 1, May 2023, pp. 51-58, http://firstcierapublisher.com/index.php/interconnection/article/view/15.