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List of Articles Fateme koushazade Open Access Article Abstract Page Full-Text 1 - Construction and validation of tools for evaluating the performance of primary school principals Ali Delavar Mohammad Reza Falsafi nejhad Nour Ali Farrokhi Abbas Abbaspour Farzad zandi Open Access Article Abstract Page Full-Text 2 - construct and normalization of cognitive ability test for children Marzieh Gholami Ali Delavar Hasanpasha Sharifi Nastaran Sharifi