Mujahida, Alma, et al. “Pengembangan Modul Pembelajaran Matematika Berbasis Brain Based Learning (Bbl) Menggunakan Permainan Teka-Teki Silang”. Indo-MathEdu Intellectuals Journal, vol. 4, no. 2, Oct. 2023, pp. 1314-23, doi:10.54373/imeij.v4i2.354.