LEADER 00624nam0 2200205 450 001 000016821 005 20081002110927.0 100 $a20081002d1970----km-y0itay50------ba 101 0 $aeng 102 $aUS 105 $aa-------001yy 200 1 $aThe design of educational experiments$fC. Mitchell Dayton 210 $aNew York$cMcGraw-Hill$d[1970] 215 $aXI, 441 p$cill.$d23 cm 700 1$aDayton,$bC. Mitchell$0144989 801 0$aIT$bUNIPARTHENOPE$c20081002$gRICA$2UNIMARC 912 $a000016821 951 $a211.6/13$b379/L/CNR$cNAVA2 996 $aThe design of educational experiments$91201842 997 $aUNIPARTHENOPE