na INLIS000000000038746 20220111025410 0010-0121000241 JIPDSUR Sri Wati Model group investigation dapat meningkatkan mutu belajar matematika bagi siswa / Sri Wati; editor, Dedy Ari Prihartono Cet.1 iv, 157 hlm ; 21 cm C13-D13/2020-2612 978-623-6674-12-3 ind C13-D13/2020-2612 C13-D13/2020-2612 Malang : Java Creative, 2020 Masyarakat umum Dedy Ari Prihartono JIPDSUR JIPDSUR 00225/DPK/2021