Khor, Mui Kim and Md Ali, Ruzlan (2017) GeoGebra: towards realizing 21st century learning in mathematics education. Malaysian Journal of Learning and Instruction (MJLI) (S). pp. 93-115. ISSN 1675-8110

Khor, Mui Kim and Md Ali, Ruzlan (2020) Perisian dinamik geogebra dalam pengajaran dan pembelajaran geometri. Siri 1. UUM Press, Sintok. ISBN 978-967-2363-31-6

Khor, Mui Kim and Md Ali, Ruzlan (2020) Perisian dinamik geogebra dalam pengajaran dan pembelajaran geometri. Siri 2. UUM Press, Sintok. ISBN 978-967-2363-27-9