TY - BOOK AU - Vipaporn Poovatanakul TI - Analysis of the perceptions of Thai principals and teachers as to the principals' role as instructional leader PY - 1994/// CY - Ann Arbor, Mich. PB - University Microfilms International KW - High school principals KW - Thailand KW - High school teachers N1 - Thesis (Ph.D.) - Southern Illinois University at Carbondale, 1993 ER -