Lestiana, Y., A. Aklimawati, W. Wulandari, and E. Isfayani. “THE EFFECTIVENESS OF GEOGEBRA ASSISTED INTEGRAL CALCULUS MODULE”. Kalamatika: Jurnal Pendidikan Matematika, Vol. 7, no. 2, Nov. 2022, pp. 177-90, doi:10.22236/KALAMATIKA.vol7no2.2022pp177-190.