Nirutt Pipattanajinda. 2019. On natural partial orders on (strong) endomorphism monoids of graphs. Kamphaeng Phet:Kamphaeng Phet Rajabhat University;
Nirutt Pipattanajinda. (2019) On natural partial orders on (strong) endomorphism monoids of graphs (รายงานผลงานวิจัย). Kamphaeng Phet Rajabhat University:Kamphaeng Phet.
Nirutt Pipattanajinda. On natural partial orders on (strong) endomorphism monoids of graphs. Kamphaeng Phet:Kamphaeng Phet Rajabhat University, 2019.
Nirutt Pipattanajinda. (2019) On natural partial orders on (strong) endomorphism monoids of graphs (รายงานผลงานวิจัย). Kamphaeng Phet Rajabhat University:Kamphaeng Phet.