Shields, J. M. (1987). An analysis of selected aspects of leadership skills among selected principals of Catholic secondary schools in the Archdiocese of Chicago.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিShields, John Michael. An Analysis of Selected Aspects of Leadership Skills Among Selected Principals of Catholic Secondary Schools in the Archdiocese of Chicago. 1987.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিShields, John Michael. An Analysis of Selected Aspects of Leadership Skills Among Selected Principals of Catholic Secondary Schools in the Archdiocese of Chicago. 1987.
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