Makinde, S. A., & Luebkemann, H. H. (2014). Strategies for Improvement of Instructional Supervision in Nigeria. Obafemi Awolowo University.
Čikaški stil citiranja (17. izdanje)Makinde, Sunday Ade, i Heinz H. Luebkemann. Strategies for Improvement of Instructional Supervision in Nigeria. Obafemi Awolowo University, 2014.
MLA način citiranja (9. izdanje)Makinde, Sunday Ade, i Heinz H. Luebkemann. Strategies for Improvement of Instructional Supervision in Nigeria. Obafemi Awolowo University, 2014.
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