1. Antill J. M. (1982). Critical path methods in construction practice 3rd Ed. John Wiley and Sons New York N.Y.
2. Fondahl J. W. (1961). “A non‐computer approach to the critical path method for the construction industry.” Technical Report No. 9 The Construction Inst. Dept. of Civ. Engrg. Stanford Univ. Stanford Calif.
3. A Network Flow Computation for Project Cost Curves
4. Fulkerson D. R. and Ford C. R. (1962). “Flows in networks.” The Rand Corporation.
5. Harris R. B. (1978). Precedence and arrow networking techniques for construction . John Wiley and Sons New York N.Y.