I found this book very helpful - Project Management Institute is a great teacher and writer. Probably Business Analysis for Practitioners is the one of the best on the topic
Steph Delaware
It is a comprehensive (really) book - Business Analysis for Practitioners by Project Management Institute really helps you to understand the topic
financeguy?2008 D. RitzBerkeley
Business Analysis for Practitioners ebook PDF is a good option for a student. Personally I bought a hardcover version, my colleague has also purchased a kindle PDF version. Project Management Institute is one of my favourite authors from now.