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Article XIV. 4- Piderit ,M. (2002) . The Effect of Principal Leadership on Teacher Loyalty in Urban Suburban Catholic Elementary Schools, Dissertation Abstract International, 62112-a-p. 4016.
Article XV. 5- Wetherell, K. ,M. (2002) . Principal Leadership Style and Teacher Job Satisfaction Pro guest Digital Dissertations.
Article XVI. 6- Hann, C. (2001). Civic Knowledge, Attitude, and Experiences of ninth Gradeinunited state, (ERIC Clearinghouse for Social studies / social science, Education, BloomingtonIN).
Article XVII.