Resources for review other than Curriculum books, Schweser, etc.

I’m looking for alternative ways to review a couple of topics.

What are some good outside resources (outisde of curriculum books, Schweser, Wiley, Elan, etc.) such as youtube vidoes, khanacademy videos, ppt presentations, etc. that talk about the following:

  1. Pension accounting
  2. Current rate vs. temporal rate methods
  3. Equity vs. acquisition methods
  4. Bond conversion formulas
  5. FRAs

Links would be greatly appreciated.

For Pension accounting

Try the below link

https://www.youtube.com/watch?v=LZ1IjBAeHCc