This is actually a real good guide to go along with your link, which is also good -- it mentioned Kelvin sensing as the second item, haha -- for young players:
<a href="http:&#x2F;&#x2F;physics111.lib.berkeley.edu&#x2F;Physics111&#x2F;BSC&#x2F;Readings&#x2F;OpAmps&#x2F;OpAmp%20Applications&#x2F;Web_Ch4_final.pdf" rel="nofollow">http:&#x2F;&#x2F;physics111.lib.berkeley.edu&#x2F;Physics111&#x2F;BSC&#x2F;Readings&#x2F;O...</a>
Don&#x27;t expect to be designing 6 layer stack-ups or anything but this + Horwitz might get someone up to speed fairly quickly