Jaskowski, Piotr, and Anna Sobotka. “Using Soft Precedence Relations for Reduction of the Construction Project Duration”. Technological and Economic Development of Economy 18, no. 2 (June 29, 2012): 262-279. Accessed February 7, 2025. https://mla.vilniustech.lt/index.php/TEDE/article/view/4691.