na INLIS000000000007550 0010-1021002384 LAPORAN P/SE NO. 8 LAPORAN P/SE NO. 8 Yusmichad Yusdja Telahaan sistim komoditi karet rakyat nasional Bogor Pusat Penelitian Agro Ekonomi 1980 xiv, 197 p. il ; 28 cm KARET A. Suparman H Victor T. Manurung 7077