(1966). Decision making and the elementary school principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn].
Chicagoスタイル(17版)引用形式Decision Making and the Elementary School Principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn]. 1966.
MLA(9版)引用形式Decision Making and the Elementary School Principal / Department of Elementary School Principals, National Education Association ; [prepared for the Department by: William L. Pharis, Jack D. Roberts, Richard Wynn]. 1966.
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