TY  - BOOK
AU  - INDRIASTUTI (Dra)
TI  - Biologi Menyongsong OSN
SN  - 978-602-9033-45-8
U1  - 574.076 
PY  - 2011///
CY  - Yogyakarta
PB  - Pustaka Pelajar
KW  - 0
KW  - Grade 7-9
ER  -