N. Triphop, A. Harnchoowong and Y. Kemprasit, Multihomomorphisms between Cyclic Groups., Set-valued Mathematics and Applications, 1(1)(2008),9-18.
S. Chaopraknoi and N. Triphop, Regularity of Semihypergroups of Infinite Matrics., Thai Journal of Mathematics, Special Issue, (2006), 7-11.
P. Pongsriiam, T. Khemaratchatakumthorn, I. Termwuttipong and N. Triphop, On Weak Contiunity of Functions., Thai Journal of Mathematics, 3(1)(2005), 7-16.
P. Pongsriiam, T. Khemaratchatakumthorn, I. Termwuttipong and N. Triphop, Some Reemarks on Symmetric Continuity of Functions., Thai Journal of Mathematics, Special Issue, (2004), 31-36.
P. Pongsriiam, T. Khemaratchatakumthorn, I. Termwuttipong and N. Triphop, Symmetrically Continuous., East-West Journal of Mathematics, Special Issue for contribution in NCAM 2003-2004, (2004), 89-100.
Y. Kemprasit and N. Triphop, Some Matrix Groups Admitting Skew-Semifield Structure, East-West Journal of Mathematics, 3(1)(2001), 11-22.
S. Sombatboriboon, D.K. Thomas and N. Triphop, A Criterion for Starlikeness. Indian Journal Pure Appl. Math., 25(12)(1994),1291-1293.