Externalities

[@mf_uzi1492]

Thank you sir this was very helpful

[@umarrasmi5016]

thank you soo much sir was really helpfull

[@usmanahmed8393]

Really helpful

[@mdwaliullahatik1321]

so complicated for me

[@ImranKhan-wg1gv]

Write a note on demonetisation

[@flumperdumperdump3609]

👍👍