Бергибаев, Е. М. and Тюлюбекова, А. Д. (2015) “Strategic planning of the organization ’s marketing activity”, Journal of Economic Research & Business Administration, 90(2), pp. 118–120. Available at: https://be.kaznu.kz/index.php/math/article/view/635 (Accessed: 19 April 2025).