Ebert, Mary F. Kosar <br/><br/>
An investigation of the causal relationship among locus of control, environmental motivators, engaged reading time and reading ability / 
Mary F. Kosar Ebert 
 - 2 microfiches ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) - University of Pittsburgh, 1980 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handicapped children--Development.<br/>Handicapped children--Psychological testing.<br/>Development disabled.