00462nam a22001577a 4500003000800000005001700008008004100025020001500066040001200081082001600093100001900109245008700128260003800215300003100253650002000284BD-DhUL20161106185002.0161106b1998    ii ||||| |||| 001 0 eng d  a8170002281  cBD-DhUL  a020.72bSED  aSeghak, R. L.   aDesigning and evaluation of research in library science :cR. L. Seghal bVol. 2 /  aNew Delhi :bEss Ess pub., c1998  a363 p. :bill., ;c21 cm.   aLibrary science