Select all the correct answers.
Tracey is researching ways to increase the efficiency of a warehouse security service. While researching, she finds an electronic book that
contains information relevant to her topic. Which three details should Tracey check to make sure the e-book is a credible and reliable research
source?
1.the source of the publication

2.whether the book is available in a library

3.the author's credentials

4.how interesting and engaging the content is

5.any blas or personal opinions in the content