Pollock, J. E., & Ford, S. M. (2009). Improving student learning one principal at a time. Association for Supervision and Curriculum Development.
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Chicago Style (17th ed.) Zitazioa
Pollock, Jane E., eta Sharon M. Ford. Improving Student Learning One Principal at a Time. Alexandria, VA: Association for Supervision and Curriculum Development, 2009.
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MLA (9th ed.) Zitazioa
Pollock, Jane E., eta Sharon M. Ford. Improving Student Learning One Principal at a Time. Association for Supervision and Curriculum Development, 2009.
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Kontuz: berrikusi erreferentzia hauek erabili aurretik.