There was no radioalaa. There were four alaa taweel, but they didn't seem to be you. That was interesting! I am the only Carol Brittsan on Facebook. Try my son Andrew Pennebaker and look for me in his Friends list.
Please send me your email address. I will email you two documents that took me 9 months to put together in 2002. The information is in question-and-answer format. I cannot sell the documents as I copied it from several courses and textbooks. So I have been giving it away for 9 years. Now that it is yours too, you are free to edit it as you like.