One step ahead = Selangkah kehadapan 

 - 88 pages :   colour illustrations ;   27 cm 
<br/><br/><label>ISBN: </label>9789834404345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Higher
<br/><br/><label>Dewey Class. No.: </label>378