Upstream vs. Downstream Firms

[@sunilchandel2886]

please continue uploading these videos as they help a lot

[@ShawnRitch]

Well done :) Are there any ecological studies being done to aid with the future role of economics?

[@sudheesh461]

Could you please tell which is the reference that you have used for the creation of this video.

[@glafayettegorillo4289]

You sound so not American, I love it :D

[@mitashiki]

Mic boom