Turkish student visa requirements for nigerian citizens Business enterprise invitation. A business invitation letter from the sponsoring organization in the spot region. The letter should be printed on company letterhead stationery, tackled to "The Consulate of Nigeria, Visa Segment", and signed by a senior manager. The organization letter should adhere https://www.tumblr.com/africred/754895200092094464/studying-abroad-made-easy-with-africred-visa