I offer 30 .edu backlinks from 30 sources. PR of the root domains is PR6 to PR9, mix of.edu sites .edu.xx sites, mix of dofollow and nofollow backlinks.
These backlinks are from profiles
and from forum posts. EDU backlinks build a lot of strength and are given high
value from Google as these are backlinks from trusted domains that have
no commercial intent and it boost the authority of your site.