Karma และผู้แต่งคนอื่นๆ. 2008. An evaluation of training of instructors programme in enhancing the teaching skills of instructors of vocational training institutes of Bhutan. Field of Study Educational Management, Mahidol University;
Karma และผู้แต่งคนอื่นๆ. (2008) An evaluation of training of instructors programme in enhancing the teaching skills of instructors of vocational training institutes of Bhutan . Mahidol University/Bangkok.
Karma และผู้แต่งคนอื่นๆ. An evaluation of training of instructors programme in enhancing the teaching skills of instructors of vocational training institutes of Bhutan. . Bangkok:Mahidol University, 2008.
Karma และผู้แต่งคนอื่นๆ. (2008) An evaluation of training of instructors programme in enhancing the teaching skills of instructors of vocational training institutes of Bhutan . Mahidol University/Bangkok.