Jackson, Tillman V.,2013-08-162013-08-161965http://hdl.handle.net/11244/1937vii, 139 leaves ;School supervision, Secondary.Education, Administration.Mathematics Study and teaching Oklahoma.Science Study and teaching Oklahoma.School management and organization Oklahoma.The scope and nature of quasi-supervision in the state of Oklahoma with focus upon the status and role of quasi-supervisors of secondary science and mathematics /Thesis