text Yogyakarta Pustaka Pelajar 2016 Cet. 1 ix, 222 hlm. : ilus. ; 21 cm. /Agus Warsisto Dwi Doso Warso ; editor, Istinganah Bibliografi : hlm. 222 Manajemen kelas 371.1024 DEP 371.1024 Agu P 978-602-229-667-6 YOPDYOG 20170203094012.0 INLIS000000000025338 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)