Krismonda N, Indriani S, Kiswandono K. Upaya Peningkatan Kualitas Pelayanan di Superindo Tlogomas menggunakan Metode PGCV (Potential Gain in Customer Value). valtech [Internet]. 2020Sep.18 [cited 2024May6];3(2):160-5. Available from: https://ejournal.itn.ac.id/index.php/valtech/article/view/2778