Azizan @ Zolkipli, N. A. binti, and M. F. N. L. bin Abdullah. “Construction of Algebra Board As a Teaching Aids for Subtopic Linear Equations in One Variable Form 1: Pembinaan Algebra Board Sebagai Bahan Bantu Mengajar Bagi Subtopik Persamaan Linear Dalam Satu Pemboleh Ubah Tingkatan 1”. Journal of Science and Mathematics Letters, vol. 9, no. 2, July 2021, pp. 43-48, doi:10.37134/jsml.vol9.2.5.2021.