na INLIS000000000015721 20150112171300.0 979-20-3346-7 0010-011500000008494 520 520 CYN r 520 Cynthia Pratt Nicholson Ruang Angkasa Pertama Jakarta PT Elex Media Komputindo 2002 19 x 24 cm ; 32 hlm 32 hlm 17.744 17.745