Please guide me through tackling these business course study questions.

Provide adequate valid information and accurate latest references to the sources.

1. How have information systems changed the way businesses operate and the way they produce their products and services?
2. labor efficiency is considered a major component of the learning curve concept.Furthermore labor efficiency doesn't happen automatically.In addition, workforce stability and worker compensation are important considerations that need to be addressed.So what does this mean project leadership must do from a communications management and human resource management standpoint.
3. How can human resource and leadership help with recruitment or retention with the focus being the following: Value of collaboration between the employer and supplier of personnel?
4. Contrast developmental leadership from heroic leadership.
5. What is Naturalistic Observation? Describe the major techniques used in the method