I recommend Foxit Reader, available from ninite.com, for working with PDF files.
Standards usually require purchase but you can access them for free through the FGCU Library IEEE Xplore subscription.
Title Software Requirements 3rd Edition
Authors Karl Wiegers, Joy Beatty
Publisher Microsoft Press, 2013
ISBN 978-0735679665
https://www.microsoftpressstore.com/store/software-requirements-9780735679665 includes useful downloads
Software Product Management Specialization coursera
There are three additional courses in the specialization that are beyond the scope of this course that you are encouraged to complete after the semester.
MITRE Systems Engineering Guide: Requirements Engineering Download and read the Guide
Standards usually require purchase but you can access them for free through the FGCU Library IEEE Xplore subscription.
Software Requirements Engineering by Richard H. Thayer and Merlin Dorfman Details Access
Discovering Requirements: How to Specify Products and Services by Ian F. Alexander, Ljerka Beus-Dukic, 0470714255, 9780470714256
Requirements Engineering for Software and Systems by Phillip Laplante
PURE: A Dataset of Public Requirements Documents https://ieeexplore.ieee.org/document/8049173
Customer requirements and user requirements: why the discrepancies? https://ieeexplore.ieee.org/document/1232759