Anta Pratama Ginting, and Indrawati Indrawati. “The Effect of Personal Selling, Social Media Advertising and Sales Promotion on Purchasing Decision : Case at Orbit Telkomsel Sumbagteng Region”. Digital Innovation : International Journal of Management 1, no. 4 (September 17, 2024): 127–143. Accessed December 28, 2024. https://international.arimbi.or.id/index.php/DigitalInnovation/article/view/95.