Liew, Elizabeth Mary Siew Chan <br/><br/>
A study of the time-on-task of mathematics students in a midwestern school district in southern Illinois  [microfilm] / 
Elizabeth Mary Liew Siew Chin 
 - Ann Arbor, Mich. :  University Microfilms International,  1986 
 - 1 microfilm reel :  positive ;  35 mm. 
<br/><br/> MF 2887 
<br/><br/>Thesis (Ph. D.) - University of Oxford, 1986 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)--Illinois<br/>School children--Time management<br/>Time management surveys