na INLIS000000000007676 20210304014520 0010-0220007676 210304 | | ind 9792756074 ind 500 K 500 HEO i Heo, Soon-Bong Citra Irene Christine Ilmu pengetahuan alam = why? life science Jakarta : Elex Media Komputindo, 2009 159 hlm. : ilus. ; 24 cm. SAINS 300016821