Jae-Woon <br/><br/>
Why? Experiment & Observation   : Percobaan dan pengamatan  

 - 159 hlm.  ilus.  24 cm 
<br/><br/><label>ISBN: </label>978-602-00-0533-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>0
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Grade 7-9
<br/><br/><label>Dewey Class. No.: </label>507.2