Yahaya Ibrahim,  1929- <br/><br/>
A model for an in-service science process workshop for principals, assistant principals and district science supervisors in Malaysia / 
Yahaya Ibrahim 
 - Carbondale :  Southern Illinois University,  1976 
 - 97 p. ;  30 cm 
<br/><br/>Thesis ( M.Sc) - Southern Illinois University, 1976 
<br/><br/>References : p. 91-96 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching--Malaysia<br/>School principals--In-service training--Malaysia