text Jakarta Pustaka Utama Gramedia 1993 Cet. 2 ind 172 hlm 21 cm Milton Mayeroff; diterjemahkan, Agus Cremers, Frans Ceufin Judul asli: On caring parennial Library Etika pergaulan 979-511-136-1 20090227040112.0 YOGYA-02090000062914 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)