Team, Support. 2020. “Linear-Hypersubstitutions for Algebraic Systems of Type ((n); (n)) and Characterization of Their Idempotent Elements: Jintana Joomwong, Dara Phusanga”. Thai Journal of Mathematics, January, 93-102. https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/940.