00625nam a22001937a 4500003000400000005001700004008004100021020001500062082001800077100003100095245012200126260004100248300001000289653003100299653002600330653001400356700002400370700003700394OSt20220331152849.0220331b        |||||||| |||| 00| 0 eng d  a8188836338  a371.102bR18M  aRao, Singamaneni Nageswara  aMethods and techniques of teachingcby Singamaneni Nageswara Rao, Peethala Sreedhar; Edited by Digumarti Bhaskara Rao  aNew DelhibSonali Publicationsc2021  a351p.  aTeaching--Aids and devices  aInstructional systems  aEducation  aSreedhar, Peethala   aRao, Digumarti Bhaskara eEditor