SARI, Pertapa; WIYADI, W; SOEPATINI, S. The Influence Of Promotions And Service Quality On Customer Satisfaction At Assalaam Sukoharjo High School. Ittishal Educational Research Journal, [S. l.], v. 5, n. 1, p. 39–57, 2024. DOI: 10.51425/ierj.v5i1.69. Disponível em: https://www.journal.ittishal.net/index.php/ierj/article/view/69. Acesso em: 27 oct. 2025.