Br Ginting LYH, Aruan ML, Saragi NJ, Marpaung FK. The Influence Of Price, Testimony And Sales Promotion On Purchase Decision Of Annrich Skincare In Medan City . ICEBesMA [Internet]. 2026 May 12 [cited 2026 Oct. 29];3(1). Available from: http://139.162.50.187/index.php/icebesma/article/view/8387