Towards theories of fuzzy set and rough set to flow graphs. - Doungrat Chitcharoen; Puntip Pattaraintakorn (FUZZ-IEEE, 2008)

An Extension of Rough Set Approximation to Flow Graph Based Data Analysis. - Doungrat Chitcharoen; Puntip Pattaraintakorn (RSCTC, 2010)

Novel matrix forms of rough set flow graphs with applications to data integration. - Doungrat Chitcharoen; Puntip Pattaraintakorn (Comput. Math. Appl., 2010)

Reasoning with Near Set-Based Digital Image Flow Graphs. - James F. Peters; Doungrat Chitcharoen; Sheela Ramanna (MIWAI, 2013)

Sufficiently Near Neighbourhoods of Points in Flow Graphs. A Near Set Approach. - James F. Peters; Doungrat Chitcharoen (Fundam. Informaticae, 2013)

Flow Graphs: Analysis with Near Sets. - Sheela Ramanna; Doungrat Chitcharoen (Math. Comput. Sci., 2013)