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Barnes, Frank Derek
Research establishes that a positive relationship exists between principal instructional leadership and student achievement (Brewer, 1993; Eberts and Stone, 1988; Hallinger and Heck, 1998; Leithwood, Seashore Louis, Anderson, and Wahlstrom, 2004). Li
Externí odkaz:
http://nrs.harvard.edu/urn-3:HUL.InstRepos:16461046
