Ерсой A, Келесбаев Д. EXPRESSIONS THAT CREATES CONFUSION AMONG THE ELEMENTS OF PROMOTION MIX: SALES PROMOTION. JRBA [Internet]. 2018 Mar. 25 [cited 2024 Dec. 22];123(1):31-7. Available from: https://be.kaznu.kz/index.php/math/article/view/1942