Determinants Of Efficiency At Pt Perusahaan Listrik Negara (Persero) In 2019-2023 Using Two Stage Data Envelopment Analysis (Dea) Model . Int. J. Environ. Sci. [Internet]. 2025 Sep. 2 [cited 2025 Sep. 11];:83-9. Available from: https://theaspd.com/index.php/ijes/article/view/8477