na YOGYA000000000013649 20150311170931.0 0010-081400000013367 649.1 Sob A Sobur, Alex Anak masa depan Sobur, Alex Cet. 1 Bandung Angkasa 1991 xi, 294 hlm. 21 cm. YOPDYOG 67482-P/95 67483-P/95