Nsien, Emmanuel, <br/><br/>
The Perceptions of clinical supervision by experts and instructional personnel in a public secondary school  [microform] / 
Emmanuel J. Nsien. 
 - Ann Arbor, Mich. :  University Microfilms International,  1984. 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) - University of Pennsylvania, 1984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>School supervision, Secondary.<br/>High school principals.<br/>High school teachers.