Benny, Hasan G, Melodya D, Erlin, Erni, Goh M, Meliana. Analisa Manajemen Operasional, CRM, dan Pemasaran Digital pada PT. Orang Tua (OT). SAINTEK [Internet]. 2023Jun.24 [cited 2026Jun.10];4(3):138-47. Available from: https://ejournal.sisfokomtek.org/index.php/saintek/article/view/995