Research Papers / HRM a case study approach by Muller-Camen, Croucher and Leigh [2]

I need case studies related to recruitment, selection, absence, retention, induction, job evaluation, asessment centres, job description, etc. Its for a college exam. We will be given a case study and questions on all the topics mentioned above. How do I attempt a case study on any of the above topics. Need help please. Is there a site that I can refer to. It is a UK syllabus authored by Muller Camen, Croucher and Susan Leigh.