Umar Yahdi text Jakarta Gunadarma 1996 id 24x17,5 cm, vi, 206 hlm.; Fisika 530 241224 20241224114128 INLIS000000000011148 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)