Resources for study depend entirely on your level of competence in English. In fact, any resource you find useful is good as long as it gives you an opportunity to enhance your skills and standard. There are countless guides and textbooks available on-line, nevertheless, the references you find below are worth looking at as they may be particularly helpful.
HORNBY, A. S.: Oxfrod Adanced Learners’s Dictionary. Oxford: Oxford University Press. (Many editions)
HACKER, D., SOMMERS, N. : A Pocket Style Manual. (Many editions)
GRAFF, G., BIRKENSTEIN, C.: They Say, I Say. The Moves That Matter in Academic Writing. (Many editions)
SWAN, M.: Practical English Usage. Oxford: Oxford University Press. (Many editions)
The objective of this compulsory examination is an overall assessment of the student's competence in English required for successfully completing their final BA paper.