text Yogyakarta Universitas Sanata Dharma 2013 Cet. 1 iii, 66 hlm. ilus. 21 cm. Paul Suparno Pendidkan fisika YOPDYOG 20141021090228.0 YOGYA000000000086461 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)