Internal links emanating from pages that are already considered an authority on the domain are more powerful than links from pages with zero or low PR. Therefore, you need to evaluate the PR and relevance of the pages that you use for internal linking purposes.
Author Bio
Tom Koh is widely recognised as a leading SEO consultant in Asia who has worked to transform the online visibility of the leading organisations such as SingTel, Capitaland, Maybank, P&G, WWF, etc. Recently he was instrumental in consulting for a New York-based US$30B fund in an US$4Bn acquisition. Tom is a Computational Science graduate of the National University of Singapore. In his free time he performs pro-bono community work and traveling.
Google+
