Vizing, V.G. (1965) Chromatic Index of Multigraphs. Doctoral Thesis, Novosibirsk. (In Russian)
 Behzad, M. (1965) Graphs and Their Chromatic Numbers. Ph.D. Thesis, Michigan State University.
 Petrosyan, P.A. (2007) Interval Total Colorings of Complete Bipartite Graphs. Proceedings of the CSIT Conference, 84-85.
 Zhao, Y. and Su, S. (2017) Cyclically Interval Total Colorings of Cycles and Middle Graphs of Cycles. Open Journal of Discrete Mathematics, 7, 200-217.
 Vaidya, SK. and Isaac, R.V. (2015) Total Coloring of Some Cycle Related Graphs. IOSR Journal of Mathematics, 11, 51-53.