ghaderi sheykhi abadi,M , , Nasiri,F , , taajobi,M , and Afzali,A . "The role of synergistic leadership of school principals in organizational entrepreneurship by mediating the productive behaviors of technical and vocational teachers (case study: schools of Tehran province)", Teaching and Learning Research, 19, 1, 2022, 25-36. doi: 10.22070/tlr.2023.16853.1340