Abdillah, A. ā€œStrengthening Preservice Teachers Conceptual Understanding of Linear Algebra by Using the Supplementary Book Integrated With the GeoGebra and Maple Applicationsā€. Mathline : Jurnal Matematika Dan Pendidikan Matematika, vol. 8, no. 2, May 2023, pp. 705-24, doi:10.31943/mathline.v8i2.445.