Yanti, A. ., Chairia, C. and Cahyati, S. . (2024) “Marketing analysis in increasing the number of visitors at Medan Zoo tourist attractions”, Journal of Management Science (JMAS), 7(3), pp. 527–536. Available at: https://www.exsys.iocspublisher.org/index.php/JMAS/article/view/533 (Accessed: 18April2026).