Vahera, Anyelir Aliya, et al. “Free Shipping and Pay-Later on Impulse Buying Among Gen Z Students: The Role of Lifestyle Moderation”. GEMA: Journal of Gentiaras Management and Accounting, vol. 17, no. 2, Nov. 2025, pp. 147-63, doi:10.47768/gema.v17i2.202505.