Anta Pratama Ginting, Indrawati Indrawati. The Effect of Personal Selling, Social Media Advertising and Sales Promotion on Purchasing Decision : Case at Orbit Telkomsel Sumbagteng Region. Digital Innovation [Internet]. 2024 Sep. 17 [cited 2024 Dec. 28];1(4):127-43. Available from: https://international.arimbi.or.id/index.php/DigitalInnovation/article/view/95