na INLIS0000000002466 20190418110322 0010-0419000093 978-979-27-7158-9 741.5 S 741.5 HEO w Heo, Soon-Bong Why? Environment=Lingkungan / Heo, Soon-Bong Jakarta : : PT Elex Media Komputindo,, 2010 160 hlm. ; 24 cm. Komik S/01689/1/01689