T. Fujita, A. Kanti Das, A. Mehmood, and A. A. Ghaib, “Extensions of Factor, Signal-Flow, Control-Flow, Dataflow, and PERT/CPM Graphs to Hypergraphs and Superhypergraphs with Illustrative Applications in Engineering and Intelligent Computing”, Int. Sci. Spectr., vol. 2, no. 1, pp. 252–275, Oct. 2026, doi: 10.66972/iscis21202627.