00407nam a22001097a 4500008004100000020001500041082003100056100004000087245009200127260006100219300001700280140311b        xxu||||| |||| 00| 0 eng d  a8120700937  aCir. (Grad) 375 C94bc1984  aRavishankar, Malla Reddy Mamidi S.,  aCurriculum development and educational technology /cMalla Reddy Mamidi S. Ravishankar,  aNew Delhi :bSterling Publishers Private Limited,cc1984  axv, 380 p. :