SANJAYATI, K.; ROBIN, R. The Effect of Pricing and Product Quality on Purchase Decisions on PT. Gunung Sentosa Sumatera Utama Industri. Jurnal Mantik, [S. l.], v. 5, n. 4, p. 2171-2176, 2022. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/1924. Acesso em: 13 jun. 2026.