na JATIM-06090000006162 20090625110420.0 ind 0010-060900000006162 0 330.072 ARI m ARIEF, Sritua 0 Metodologi Penelitian Ekonomi Cet. 1 Jakarta Universitas Indonesia Press 1993 xi, 318 hlm. ; 21 cm. 0 0 EKONOMI-PENELITIAN JIPDSUR 4 0