00473nam a2200133Ia 4500008004100000082002200041100003000063245005300093250001200146260005900158300001400217600002900231650007900260140224s9999    xx            000 0 und d  a374:63:711.437 J8  aYegna Narayan Aiyer, A.K.  aVillage improvement, and agricultural extension.  a2nd ed.  aBangalorebBangalore printing and publishing co.c1958  axiv,222p.  aA.K. Yegna Narayan Aiyer  aAgricultural extension work-under developed areas,Agricultural Improvement