Samosir, David Kiki Baringin M T, Etty Murwaningsari, Yvonne Augustine, and Sekar Mayangsari. “The Benefit of Green Building for Cost Efficiency”. International Journal of Financial, Accounting, and Management 1, no. 4 (June 26, 2020): 209–219. Accessed August 2, 2025. https://goodwoodpub.com/index.php/ijfam/article/view/152.