Кривошия, Олена Анатоліївна, and Олена Яківна Базілінська. “Relationship Between Differential Pricing and consumers’ Perception of Product Quality: Ukrainian Practice”. Technology audit and production reserves 1, no. 2(15) (February 6, 2014): 34–37. Accessed July 19, 2024. https://journals.uran.ua/tarp/article/view/21253.