Khanitta Iamla-or. 1999. Media needs for maintaining English language capability and skills of the National Housing Authority's personnelKhanitta Iamla-or. Faculty of Humanities, Ramkhamhaeng University;
Khanitta Iamla-or. (1999) Media needs for maintaining English language capability and skills of the National Housing Authority's personnelKhanitta Iamla-or . Ramkhamhaeng University/Bangkok.
Khanitta Iamla-or. Media needs for maintaining English language capability and skills of the National Housing Authority's personnelKhanitta Iamla-or. . Bangkok:Ramkhamhaeng University, 1999.
Khanitta Iamla-or. (1999) Media needs for maintaining English language capability and skills of the National Housing Authority's personnelKhanitta Iamla-or . Ramkhamhaeng University/Bangkok.