Suheri C, Wahab Z, Widiyanti M, Shihab MS. The effect of price perception and sales promotion on the purchase decision of the pertamax turbo in Palembang City. ijhla [Internet]. 2021Dec.28 [cited 2024Jul.16];5(1):5-10. Available from: https://sloap.org/journal/index.php/ijhla/article/view/1810