Yajai Chuwicha. 1986. Cohesion in Thai. Faculty of Graduate Studies, Mahidol University;
Yajai Chuwicha. (1986) Cohesion in Thai . Mahidol University/Bangkok.
Yajai Chuwicha. Cohesion in Thai. . Bangkok:Mahidol University, 1986.
Yajai Chuwicha. (1986) Cohesion in Thai . Mahidol University/Bangkok.