00601cam a22001931 4500009087372MiAaHDL20101113000000.0m d cr bn ---auaua860624s1961 nyua 000 0 eng ca 62009259 sdr-coo1217954(OCoLC)1570871New York. State Libr.NICS531.5.N55630.78New York (State)Bureau of Agricultural Education.The preparation and use of teaching aids in agriculture.Albany,1961.100 p.illus., diagrs.23 cm.Mode of access: Internet.AgricultureStudy and teachingAudio-visual aids00908737220100315102806.020101113000000.020120814065113.02024-10-17T17:35:36ZSDR-COOUNKNOWNloader.pl-001-001BKsdr-coo1217954cooSDRCOOcoo.31924003373457COO1217954COOCOO20241017googlecoo.319240033734571961pdren