The following is a list of useful external links:

1. Evidence review for immigrants and refugee population health in Canada.

2. Survey of vitamin D, Omega-3 and Cholesterol Status of South Asian Canadians and White Canadians Living in Ottawa

3. Khan Academy.
   "With a library of over 2,400 videos covering everything from arithmetic to physics, finance, and history and 125 practice exercises, we're on a mission to help you learn whatever you want, whenever you want, at your own pace."