Christen, Markus, Jules Schroeder, and Holger Wallbaum. “Evaluation of Strategic Building Maintenance and Refurbishment Budgeting Method Schroeder”. International Journal of Strategic Property Management 18, no. 4 (December 8, 2012): 393-406. Accessed April 25, 2024. https://journals.vilniustech.lt/index.php/IJSPM/article/view/3476.