Jaskowski, Piotr, and Slawomir Biruk. “Reducing Renewable Resource Demand Fluctuation Using Soft Precedence Relations in Project Scheduling”. Journal of Civil Engineering and Management 24, no. 4 (July 11, 2018): 355-363. Accessed November 20, 2024. https://bme.vgtu.lt/index.php/JCEM/article/view/3043.