Usman Mulyadi, M.Kes ; Drs. Yatim Riyanto, MPd text Surabaya SIC 1995 Cet. 1 ind id 52 hlm ; 21 cm. Drs. Usman Mulyadi, M.Kes ; Drs. Yatim Riyanto, MPd bibliografi; hlm 52 pendidikan dasar 372 372 US p 9798661583 220216 20220216084434 INLIS000000000004043 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)