N. S. Joli, M. H. Kamarulzaman, N. M. Ishak, F. A. Hissam, A. M. Azhari, and N. M. Hazir, “CURRICULUM COMPACTING: DIFFERENTIATING ALGEBRA SYLLABUS ACCORDING TO THE READINESS LEVELS OF GIFTED STUDENTS”, pijss, vol. 3, no. 3, pp. 1683–1693, Jan. 2022.