Foo, Chuan Hui, and Eric Ching Siang Ng. “Development of GeoGebra-Based Module to Enhance Students’ Understanding of Form Two Circles”.
Journal of Science and Mathematics Letters, vol. 10, no. 2, Oct. 2022, pp. 67-73,
https://doi.org/10.37134/jsml.vol10.2.8.2022.