Não informado. (1961). Canadian administrator. University of Alberta, Department of Educational Administration.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Canadian Administrator. Alberta, Canada: University of Alberta, Department of Educational Administration, 1961.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Canadian Administrator. University of Alberta, Department of Educational Administration, 1961.
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