Liaufaldi N, Reni R. Analisis Kualitas Pelayanan di PT Sinar Alkasa Sejahtera, Medan. BISMA Cendekia [Internet]. 2022 May 31 [cited 2026 Jul. 29];2(3):146-50. Available from: https://ojs.politeknikcendana.ac.id/index.php/bisma/article/view/81