na YOGYA-02110000007256 20110211075732970 ind 979-533-196-5 010-021100000007256 005.133 EKO NUGROHO Pemrograman Cobol Ed. 1, cet. 1 Yogyakarta Andi Offset 1994 vi, 227 hlm.;ilus.;23 cm. Cobol - Program komputer YOPDYOG[B] 99P0000508 99P0000509