text yogyakarta kanisius 1978 Cetakan : 1 ind 132 hlm. : ilus. ;21 cm. Matematika 770 20130515214236 INLIS000000000009671 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)