Situmorang, Irvan Rolyesh. 2023. “The Influence of Consumer Motivation, Consumer Perceptions and Attitudes Towards Product Purchase Decisions at PT. Unikitz Bersatu Group Medan”. Jurnal Manajemen Bisnis Eka Prasetya Penelitian Ilmu Manajemen 9 (1), 1-9. https://www.jurnal.eka-prasetya.ac.id/MBEP/article/view/284.