Before you can start any research on your topic, you must have a background knowledge of it. Books and websites can provide you with that knowledge.
This is important because:
Management books are shelved on the 3rd floor with call numbers:
HB 615-715 Entrepreneurship, Risk and uncertainty, Property
HF 5546-5548.6 Office management
HF 5549-5549.5 Personnel management, Employment management