RUNDENGAN, Margaretha; LUMATAUW, Lietje; TULANGOW, Rolyke; MANGINSIHI, Barakati Karel; WALEAN , Mariska Charlota. Promotional Strategies to Increase Sales of Entrepreneurial Students’ Products at the Independent Campus of Manado State Polytechnic. International Journal of Integrative Sciences, [S. l.], v. 5, n. 6, p. 759–770, 2026. DOI: 10.55927/ijis.v5i6.41. Disponível em: https://journalijis.my.id/index.php/ijis/article/view/41. Acesso em: 16 jul. 2026.