na INLIS000000000038012 20161011111542.0 $0010-101600000000773 $a 510 WID b $a 510 WID b $a Drs. Wahyu Widayat, M.Ec $a Buku Materi Pokok Matematika II $a Jakarta $b Karunika $c 1986 $a ARPUS KAB. Magetan $a 26.610-0