Hi. I have a web page with around 40 inner pages, each one of them optimized for it's own keyword. I want to rank high for all of the 40 pages/keywords. My question is what would be the best way to build backlink? To all of the 40 inner pages, to only home page, etc. And what kind of backlinks would you use? Btw, there is not much competition for these keywords. Thanks guys.