01309cam a22003617a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100003400118245007900152260005200231300001100283490004300294504003100337590004100368590004100409590004100450590004100491590004200532650003500574650004200609650003500651830005100686901000700737942001000744949005800754999001700812952011800829CHAP20220329140612.0971013s1928 r 00010 d a54614 a55586 a59738 cCHAP a630.717bT700aTrue, Alfred Charles.911535712aA history of agricultural extensión work in the United States, 1785-1923 aWashington :bGovernment Printing Office,c1928 a220 p. 0aUSDA. Miscellaneous Publicationsv; 15 aBibliografía, p. 202-218 aBATCH-UPDb10c20130110lUCH01h0315 aBATCH-UPDb10c20130110lUCH01h1917 aBATCH-UPDb10c20130409lUCH01h2348 aBATCH-UPDb10c20130914lUCH01h1241 aCONVERSIONb10c20130109lUCH01h132914aEducación agrícola.93549114aEducación agrícolaxE.U.A.93551314aExtensión agrícola.9391440 aUSDA. Miscellaneous Publicationsv; 159117071 aBK cLIBRO a630.717 T7bBCcBPPd-129068eBPPh19993i59738mDsi c54614d54614 00102ddc4051708FRaBCbBCd2019-12-31fLIBROl0o630.717 T7p-129068r2019-12-31 00:00:00w2019-12-31yLIBRO