100 Soal dan Pembahasan text Jakarta 1997 ind vi, 104 hlm ilus 21 cm J. Goenawan Trigonometri Upam, soal dsb 516.2407 20090227022939.0 YOGYA-02090000019131 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)