Mayuree Puapunsuddee. 1993. Verb in Ugong. Faculty of Graduate Studies, Mahidol University;
Mayuree Puapunsuddee. (1993) Verb in Ugong . Mahidol University/Bangkok.
Mayuree Puapunsuddee. Verb in Ugong. . Bangkok:Mahidol University, 1993.
Mayuree Puapunsuddee. (1993) Verb in Ugong . Mahidol University/Bangkok.