Panggabean, Wina Adhela, et al. “The Influence of Personal Selling and Sales Promotion on Consumer Purchasing Decisions at Jafar Plaza Bangunan Tukka Store, Central Tapanuli Regency”. Journal of Economics, Management and Accounting (JEMA) , vol. 3, no. 02, July 2026, pp. 148-53, https://doi.org/10.65990/7vvns451.