Pornsak Asasucharit.

Perceived in-service training needs for secondary school principals in Southern Thailand [microform] / Pornsak Asasucharit. - Ann Arbor, Mich. : University Microfilms International, 1984. - 2 microfiches ; 11 x 15 cm.

Thesis (Ph.D.)-University of Missouri, 1983


School principals--In--service training--Thailand.