Prof Rosa has published several Past paper and question analysis books for each year from 2006. He also has published anther book which contains Past Papers from 1994- 2005.
Video produced by Japura Media of the University of Sri Jayewardnepura on 2019 A/L Physics MCQ Answers and Analysis by Prof S R D Rosa is given here.
2019 A/L Physics MCQ Answers and Analysis – Prof S D Rosa | Part 01
2019 A/L Physics MCQ Answers and Analysis – Prof S D Rosa | Part 02
2019 A/L Physics MCQ Answers and Analysis – Prof S D Rosa | Part 03