Hanoraga, Tony, dan Umi Trisyanti. “Optimization of PTNBH Asset Utilization (ITS Case Study from BLU to PTNBH)”. Indonesian Journal of Development Studies 1, no. 1 (Juni 23, 2020): 109–117. Diakses Agustus 1, 2026. https://journal.its.ac.id/index.php/ijds/article/view/7911.