Zacharias, Yelda, and Hans Lao. “The Effects of Discounts and Bonus Packs on Impulse Buying for Consumers of Ramayana Flobamora Mall Kupang”. Journal of Practical Management Studies, vol. 2, no. 1, Mar. 2024, pp. 15-25, doi:10.61106/jpms.v2i1.23.