Devi, S. and Harjatno, S. 2019. The Role of Prices, Locations, and Promotions on Smartphone Purchase Decisions in Electronics Shop in Indonesia: a Lesson from Sidoarjo. Indonesian Journal of Law and Economics Review. 2, 2 (Feb. 2019), 10.21070/ijler.2019.V2.30. DOI:https://doi.org/10.21070/ijler.2019.V2.30.