HASIBUAN, M.; SUKMAL, J.; RITONGA, N.; BUDIMAN, S.; MUNTHE, S. The Influence of Product Quality and Prices on Customer Loyalty in The Tough Factory in Dusun I Panca Bakti, South Marbau Village, Marbau District, Labuhanbatu Utara District. Smart International Management Journal, [S. l.], v. 1, n. 2, p. 01–10, 2024. DOI: 10.70076/simj.v1i2.35. Disponível em: https://heijournal.id/index.php/simj/article/view/35. Acesso em: 19 feb. 2026.