Roberts, Bob. <br/><br/>
Primary mathematics teaching :  implications for inservice training / 
Bob Roberts. 
 - [Port Moresby] :  Educational Research Unit, University of Papua New Guinea,  1986. 
 - x, 86 p. 
 - E.R.U. report ;  no. 53 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Primary)--Papua New Guinea.<br/>Mathematics teacher--In-service training--Papua New Guinea.