Lectures:
Web Frameworks (slides)
Lecture 4 (slides)
Lecture 5 (slides)
CGI (slides)
Android (slides)
Papers:
[1] "Cross-platform Mobile Development Approaches: A Systematic Review". T. F. Bernardes and M. Y. Miyake (Link)
[2] "Taxonomy of Cross-Platform Mobile Applications Development Approaches". Wafaa S. El-Kassas, Bassem A. Abdullah, Ahmed H. Yousef, Ayman M. Wahba (Link)