පරිගණක දෘඨ තාක්ෂණය ඉගෙන ගනිමු (CD copy) Mahesh Edirisinghe &TALN Gunasekara ISBN 978-955-53438-1-7
Lets Learn Computer Hardware Technologies (CD copy) Mahesh Edirisinghe &TALN Gunasekara ISBN 978-955-53438-0-0