Discussion:
Perform a web search for the exact phrase "object-oriented systems analysis". You will find lots of sites that address this topic. Find 3 sites with substantive material. List the 3 sites and state why you found each one helpful in understanding the topic. Order them 1, 2, and 3 for helpfulness, with one being the most helpful. Use caution here; you don't want just any site. Avoid Wikipedia!