E.explore

 Astranto, Soni; Turner, Matt; Burnie, David; Sekarwulan, Kandi; Green, Jen; Wulandari, Damaring Tyas; Woodward, John; Fauziah, I.N.; Graham, Ian; Rachmayanti, Winny; Wardhani, Dwi Kartika; Febiani, Tessa;

Jakarta : Erlangga , 2009