Snowden, P. E. (1998). School leadership and administration: Important concepts, case studies, and simulations (5th ed.). Boston: McGraw-Hill.
Styl cytowania ChicagoSnowden, Petra E. School Leadership and Administration: Important Concepts, Case Studies, and Simulations. 5th ed. Boston: McGraw-Hill, 1998.
Styl cytowania MLASnowden, Petra E. School Leadership and Administration: Important Concepts, Case Studies, and Simulations. 5th ed. Boston: McGraw-Hill, 1998.
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