na INLIS000000000015801 20140401063907.0 a ||| | 170530| ||| | $a 979-17088-1-1 $a 0010-041400000000001 $a 793.74 $a 793.74 UTA m C.2 $a dra. Utami Widijati $a Math Puzzle for Travelling $a ke-1 $a Yogyakarta $b Locus $c 2009 $a ARPUS KAB. Magetan $a 49.713-0