na INLIS000000000037291 20161003135314.0 $a 979-760-450-0 $0010-101600000000052 $a 428 BEN t C.2 $a 428 BEN t C.2 $a Benny Ciptarja $a The Tricks Of Mastering English $a ke-1 $a Surakarta $b CV. Setia-Aji $c 2008 $a Arpus Kab. Magetan $a 47.369-0