na INLIS000000000003372 20150409092503.0 a ||| | 170609| ||| | 978-602-00-0922-3 0010-011500000001375 520 CAL a Calvin Aku Ingin tahu Sains 23 bumi dan antariksa Jakarta Elex media komputindo Sains antariksa Elisa 9699/b/kpad/2013 9701/b/kpad/2013