text Washington, DC US Department of Agriculture 1979 535 p. : ills. ; 24 cm. PERTANIAN - ASPEK TEKNOLOGI - AMERIKA SERIKAT REVOLUSI PERTANIAN AMERIKA SERIKAT 63(73) 63(73) INLIS000000000004302 Converted from MARCXML to MODS version 3.5 using MARC21slim2MODS3-5.xsl (Revision 1.106 2014/12/19)