Karl, C. A. (1990). Teacher observation in selected secondary schools of the Archdiocese of Chicago.
Cita Chicago Style (17a ed.)Karl, Catherine A. Teacher Observation in Selected Secondary Schools of the Archdiocese of Chicago. 1990.
Cita MLA (8a ed.)Karl, Catherine A. Teacher Observation in Selected Secondary Schools of the Archdiocese of Chicago. 1990.
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