masalah penanggulangannya text New York MacMillan 1966 viii, 355 p. ill ; 21 cm HARGA 338.5 338.5 0-02-979980-5 INLIS000000000005391 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)