na INLIS000000000041117 20231206025654 0010-0119006030 231206 b 0 ind Happy math 1 / Kim Yoon Soo; Ilustrated by Kim Hong Sun; Supervised by Hong Sun Ho; Kim Tae Won KIM, Yoon-Soo Jakarta : Elex Media Komputindo, 2009 208 p. : ill. ; 24 cm. 51-8:82-341 KIM h 51-8:82-341 CHILDREN BOOKS COMICS MATHEMATICS 197/BA/2015