00591nam a22001697a 450000500170000001000150001702000260003203500140005803700140007208200120008624501480009826000500024627000540029630000200035050000320037070000190040220180522121838.0  aENG-123072  c750.00a9789382112594  aEN-106604  aDBAD/PUB.  a300.715  aTeaching social sciences through open and distance learning :ced. by Debnarayan Modak [and] Chandan BasubA twenty first century perspective /  aKolkatabNetaji Subhash Open Universityc2017  aDD-26, Sector-1, Salt Lake City,bKolkatae700064  a478p.b21cm(Hb)  aIt include our contributors  aBasu, Chandan