na INLIS000000000041113 20231206024927 0010-0119006026 231206 b 0 ind Happy science 1 / Cho Young Sun; Ilustrated by Lee Young Ho; Supervised by Kim Gi Myung CHO, Young-Sun Jakarta : Elex Media Komputindo, 2010 207 p. : ill. ; 24 cm. 5+6:82-341 CHO h 1. Kehidupan yang menyenangkan 5+6:82-341 CHILDREN BOOKS COMICS SCIENCES LIVING 192/BA/2015