Biruk, Sławomir, and Piotr Jaśkowski. “Simulation Modelling Construction Project With Repetitive Tasks Using Petri Nets Theory”. Journal of Business Economics and Management 9, no. 3 (September 30, 2008): 219-226. Accessed November 7, 2024. https://jest.vgtu.lt/index.php/JBEM/article/view/6877.