SIMAMORA , H. . .; NURAENI , . E. . .; JUNIANTO , . . . The Influence Of Promotion, Product Variation And Service Quality On Purchasing Decisions At SRC Hutasoit Batu Aji Store, Batam City. Tractare: Jurnal Ekonomi-Manajemen, [S. l.], v. 8, n. 2, p. 215–226, 2025. DOI: 10.62820/trt.v8i2.181. Disponível em: https://journal.stiebpbatam.ac.id/tractare/article/view/181. Acesso em: 31 jan. 2026.