IGNOU Dece-4 project, session-july 21 Phase-2 day-17 part-1

IGNOU Dece-4 project, session-july 21 Phase-2 day-17 part-1
IGNOU Dece-4 project, session-july 21 Phase-2 day-17 part-1.
via IGNOU Online https://www.youtube.com/watch?v=Hb_XzHCyNzk