Greene, R. E. (1972). Administrative appraisal: A step to improved leadership. National Association of Secondary School Principals.
Chicago-viite (17. p.)Greene, Robert E. Administrative Appraisal: A Step to Improved Leadership. Washington: National Association of Secondary School Principals, 1972.
MLA-viite (8. p.)Greene, Robert E. Administrative Appraisal: A Step to Improved Leadership. National Association of Secondary School Principals, 1972.
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