Kim, Tae-Kwan, <br/><br/>
100 Scientific discoveries around the world 4 (Khmer) / 
written by Kim Tae-Kwan.Illustrated by Mun Pyeong-yun. Translated by Va Sovannaroth. 
 - Phnom Penh :  Silpar ;  2020. 
 - 105 pages. 
<br/><br/><label>ISBN: </label>9789924340331