na INLIS000000000037806 20161006110101.0 $0010-101600000000567 $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 26.611-0