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Business Analyst Handbook
A Business Analyst (BA) analyzes the organization and design of businesses, government departments, and non-profit organisations; they also assess business models and their integration with technology.
There are at least four tiers of business analysis:
Do not buy this application. It's a ripoff. It advertises the BA Handbook but all it gives you is a couple of pages and nothing else. The app crashed several tea while opening it as well as while inside. I tried to submit a problem ticket but I have not gotten a response.