na INLIS000000000000987 20130612085413 Ind 010-061300000000987 Ind 790.13 790.13, Isk h Iskandar, Johan Hobi mengamati burung dialam, Johan Iskandar 77-78 1992 Bandung vi, 76 hlm, Ilus, 21 cm Rekreasi NBPNMAT