Ombuguhim Salman , U. (2019). Principals’ capacity building and school effectiveness in Niger, Nigeria / Ombuguhim Salman Umar.
シカゴスタイル引用形Ombuguhim Salman , Umar. Principals’ Capacity Building and School Effectiveness in Niger, Nigeria / Ombuguhim Salman Umar. 2019.
MLA引用形式Ombuguhim Salman , Umar. Principals’ Capacity Building and School Effectiveness in Niger, Nigeria / Ombuguhim Salman Umar. 2019.
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