Puspo AM. Analysis of the influence of quality, price, brand, facilities and models on the decision to purchase a Blackberry cellphone (case study on STIE IBS students). ARJ [Internet]. 2021 Mar. 30 [cited 2026 Jun. 20];10(`1):21-9. Available from: https://journals.iarn.or.id/index.php/ARJ/article/view/38