TY - BOOK AU - Leininger,Audrey AU - Kuhn,Antony AU - Harper,Anne-Marie TI - Leadership by school principals: suggested definition, typology and measurement scale PY - 2025///. N1 - 4 UR - https://shs.cairn.info/journal-gestion-et-management-public-2025-4-page-31?lang=en&redirect-ssocas=7080 ER -