Khoo, Phon Sai,  1937- <br/><br/>
Relationships between cognitive development and the learning of science and mathematics  [microform] / 
Khoo Phon Sai 
 - Kuala Lumpur :  University of Malaya Library,  1972 
 - 5 microfiche :  Negative ;  11 x 15 cm. 
<br/><br/>Thesis (Ph.D.) -- Fakulti Pendidikan, Universiti Malaya, 1972 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cognition in children<br/>Learning, Psychology of<br/>Mathematics--Study and teaching<br/>Science--Study and teaching