Narong Punnim. 2012. Interpolation and extremal problems for graph parameters. Bangkok:Srinakharinwirot University;
Narong Punnim. (2012) Interpolation and extremal problems for graph parameters (รายงานผลงานวิจัย). Srinakharinwirot University:Bangkok.
Narong Punnim. Interpolation and extremal problems for graph parameters. Bangkok:Srinakharinwirot University, 2012.
Narong Punnim. (2012) Interpolation and extremal problems for graph parameters (รายงานผลงานวิจัย). Srinakharinwirot University:Bangkok.