Tawamin Kruasoma and Krittapha Saenchaiyathon
International Business Management 9 ( 1 ): 79 - 85 , 2015
Sirintorn Liengjindathaworn, Krittapha Saenchaiyathon and Prachit Hawat
International Business Management 9 ( 1 ): 134 - 138 , 2015
Wanlapa Thomya and Krittapha Saenchaiyathon
International Business Management 9 ( 2 ): 158 - 163 , 2015