Tan, H. L. <br/><br/>
A tuition centre's secret / 
H. L.Tan 
 - Muar, Johor :  Karya Proaktif Enterprise,  2009 
 - 65p. :  ill. ;  21cm. 
 - The smart investigators series .
 - The smart investigators series .
<br/><br/> Includes questions 
<br/><br/><label>ISBN: </label>9789834446482 (set) 9789834446468 (kkt.):  RM19.75 
<br/><br/><label>Dewey Class. No.: </label>428.6