As a strategy for reviewing the basic facts of integration, you might try the following short videos at Khan Academy:
UGA MATH 2260, Fall 2014. techniques of integration, surface and volumes of revolution, arclength, limits and l'Hopital's rule, introduction to vectors.
dkrashen@math.uga.edu
As a strategy for reviewing the basic facts of integration, you might try the following short videos at Khan Academy: