STEVANUS, Rico; NURSIAH, Nursiah. The Influence of Promotion Mix on the Purchase Decision of Participants of the Grand Reunion Stand of the Medan State Polytechnic Grand Reunion Event . Journal of Economics and Social Sciences (JESS), [S. l.], v. 4, n. 2, p. 1491–1500, 2025. DOI: 10.59525/jess.v4i2.1124. Disponível em: https://journal.civiliza.org/index.php/jess/article/view/1124. Acesso em: 2 dec. 2025.