Bogoyavlenskiy O, Bolotova T, Dmitruk B, Nepran A, Radchenko Y, Vuko V. PROBLEMS OF USING CUSTOMER-ORIENTED MARKETING STRATEGY IN THE MANAGEMENT SYSTEM OF EDUCATIONAL INSTITUTIONS. SR [Интернет]. 30 июнь 2020 г. [цитируется по 30 декабрь 2020 г.];(3):43-1. доступно на: http://journal.eu-jr.eu/sciencerise/article/view/1335