Soewardi text Jakarta Gramedia Pustaka Utama 1984 i viii + 139 hlm.; 24 cm Matematika 744 220310 20220310122632 INLIS000000000006979 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)