The Influence of Price and Product Variety on Purchase Decisions at Kopi Kenangan Dharmahusada Branch, Surabaya. int.jour.sci.res.mana [Internet]. 2024 Nov. 28 [cited 2025 Feb. 22];12(11):7987-98. Available from: https://ijsrm.net/index.php/ijsrm/article/view/5856