Mohd Zulkiflee, A. F., N. Arbin, N. Kamarudin, S. N. A. Mohd Razali, R. Hidayat, R. Ariawan, and F. Mohamad Hamzah. “The Development of Circle Kit for Form 2 Circle Topic”. Journal of Science and Mathematics Letters, vol. 13, no. 1, Jan. 2025, pp. 30-38, doi:10.37134/jsml.vol13.1.4.2025.