text Jakarta Intermasa 1978 Cet. 1 ind 175 hlm ilus 21 cm editor, Samekto S. sastrosudirdjo, Toetojo A., Wirasto ; ilustrasi Antariksa Budileks, Wuryati, S. Suhardjono Bibliografi : hlm. 175 Matematika 20090227020508.0 YOGYA-02090000002038 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)