1.
Hendrawan R, Permana GT, Nugroho KW. Efficiency analysis of telecommunications companies in Southeast Asia using Stochastic Frontier Analysis (SFA) method. JSB [Internet]. 2019 Nov. 11 [cited 2024 Nov. 21];23(2):104-12. Available from: https://journal.uii.ac.id/JSB/article/view/12076