text Bandung PT. Remaja Rosdakarya 1991 xvii, 253 p.: ill.; 24 cm. METODOLOGI PENELITIAN 001.891 001.891 MOL m 221221 20221221020818 INLIS000000000000055 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)