Supakorn Buasai Effectiveness of provincial health information systems in Northern Thailand [microform] / Supakorn Buasai - Ann Arbor, Mich. : University Microfilms International , 1992 - 4 microfiches ; 11 x 15 cm. Thesis (Ph.D.)-University of Hawaii, 1992 Subjects--Personal Names: Public health--Thailand--Information services Subjects--Topical Terms: Medical informatics--Thailand