Variddhi Ungbhakorn

发表

Pairod Singhatanadgid, Variddhi Ungbhakorn, Variddhi Ungbhakorn, 2006 .

George J. Simitses, Variddhi Ungbhakorn, G. Simitses, 1975 .

Pairod Singhatanadgid, Variddhi Ungbhakorn, Variddhi Ungbhakorn, 2009 .