00545nam a22001697a 4500003003500000005001700035008004100052040003900093082001500132100003100147245008500178250001200263260003900275300002100314650001500335700002500350Central Library, Khulna University20260111124449.0260111b        |||||||| |||| 00| 0 eng d  cCentral Library, Khulna University  a651.3bLEO  a Leffingwell , William H.   aText Book of Office Management /cWilliam H. Leffingwell and  Edwin M. Robinson.  a3rd ed.  aNew Delhi : bMcGraw Hill , c1986  a649 p. :c21 cm.  aManagement  a Robinson , Edwin M.