Please Help Me Its My Project

dear nairalanders, pls i am running a masters program in one of the universities in nigeria and i was given a research topic to work on. the problem now is that i chose 4 banks for sampling in nigeria as recorded in my chapter 3 (research methodology) but i could only get materials for two banks but the other banks are proving difficult and i cant change my sample studies since i've submitted the chapter 3 already.
  the  banks are united bank for africa and access bank nigeria.
  the information i need on both banks are
1. credit management strategies in this banks
2. debt recovery techniques in this banks

pls only for serious posters with reliabe information. you can get me through this e-mail johnugwu@yahoo.com. your contributions will be highly appreciated. thanks for the pain. i know i will get help here.