163235 Backlinks from nonprofit pages

Some of my SEO projects needs backlinks from noncommercial home pages which are more than 5 years old. These links must be placed for at least 1 year. So, if you are able to place hidden links and advertisement articles at -personal student homepage at an univercity -authority homepages -association homepages -organisation homepages please post at the message board with your contact details. I will come back to you and make an offer.