text Lexington, Massachusetts LexingtonBooks 1973 xv, 357 p.: ill.; 23 cm. EKONOMI PENELITIAN 3.001.5 3.001.5 BER t 0-669-90225-x 240801 20240801091909 INLIS000000000000539 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)