Petrogold - 9:54 am on Jan 10, 2010 (gmt 0)

Find all reputed .edu orgnaizations, ask their permission to get links explaining what is your motives, what benefits would their students will get in return. Certainly you will get some approvals.
It needs hard works, no short cut method exists in web dev. or link building. Content is king, write articles in writicle writers, PRL sites free. You will soon get some links from .Edu sites who got interests in the subject. Best of luck! Let us know your results.