a Hassan, Ahmed Ahmed <br/><br/>
\a Impact of Van Hiele's Geometric model on pedagogical Abilities of Nigeria certificate in Education methematics students in Niger state, Nigeria.  \h (Text) 
\c \ by Ahmed Ahmed Hassan 
 - \a Zaria:  \b Dept of Science Education ABU Zaria  2014 
 - \a xv, 149P. 
<br/><br/><label>LC Class. No.: </label>\a QA 276.23 Has  / \b 5086642