na INLIS000000000017552 20140421065838.0 a ||| | 170530| ||| | $a 979-420-575-3 $a 0010-041400000001752 $a 660.2 $a 660.2 PUR p C.3 $a Suryo Purwono $a Pengantar Operasi Stage Seimbang $a ke-1 $a Yogyakarta $b Gadjah Mada University Press $c 2005 $a ARPUS KAB. Magetan $a 24.509-0