004020000a22001450004500060000800000082002000008100001600028100001900044245004900063250000600112260005500118260000900173300000800182650006600190  a100  a519.502 463 PAN  aPanse, V.G.  aSukhatme, P.V.  aStatistical methods for agricultural workers  a2  aNew Delhi, Indian council of agricultural research  c1954  a328  aArequency distribution/ normal distribution/ sampling methods