Textbook

1. Interaction Design: Beyond Human-Computer Interaction, 6th Edition (SMU library, pdf 5th)

Yvonne Rogers, Helen Sharp, Jennifer Preece 

2. The Design Thinking Toolbox: A Guide to Mastering the Most Popular and Valuable Innovation Methods (Design Thinking Series) (website, pdf)
   April 14, 2020 by Michael Lewrick, Patrick Link, Larry Leifer

3. Design Thinking bootleg d.school

Certification

In the UX industry, experience matters more than certification. However, if you are interested, Here are some options:

1. Google UX Design Online Certification (Video, Coursera 7 days, SMU extend email Mok Heng Ngee)

2. Nielsen Norman Group In-Person UX Certification (Process, Location)

3. CareerFoundry Online UX Design Program (free beginners, user research)

4. General Assembly UX Design Immersive (Singapore)