Darmawan KD, Bagia IW. Service Quality Before and After the Implementation of the PLN Mobile Application at PT PLN (Persero) Customer Service Unit. IJSSB [Internet]. 2022 Feb. 16 [cited 2024 Jul. 18];6(1):60-5. Available from: https://ejournal.undiksha.ac.id/index.php/IJSSB/article/view/43989