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List of Articles Mozhgan Farhadfar Open Access Article Abstract Page Full-Text 1 - Providing a Model to develop a model for school principals based on a competency-based approach (Case Study: Tehran Secondary School Mozhgan Farhadfar abolghasem delkhosh kasmayi Mahmoud Safari 10.52547/istd.31103.8.30.73 20.1001.1.24233277.1400.8.30.2.4
