Abdul Aziz Saefudin text Klaten Intan Pariwara 2017 68 hal : Ilus. ; 21 cm Pemberian nama segitiga pasti memiliki alasan. Abdul Aziz Saefudin : editor Trigonometri 516.22 516.22 ABD m 9789792803426 20190508111409 INLIS000000000401853 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)