na INLIS000000000000845 Ind 0010-1019000845 Anak Masa Depan Alex Sobur Alex Sobur Bandung: Angkasa 1991 xi, 294 hal ; 21 cm 979-404-147-5 155 SOB a 155 psikologi -anak 13646/2009 10168/2009 467/2009 136046/2009