00369nam a2200121Ia 4500008004100000082002400041100001700065245002900082260005100111300001500162600001600177650005400193140224s9999    xx            000 0 und d  a374.14:63=494.81 L0  aNair, P.S.D.  aKarshika vignanavyapanam  aTrivandrumbState Institute of Languagesc1970  aviii,217p.  aP.S.D. Nair  aAgricultural extension work-under developed areas