Darsono, F. Hali, dan Tahir. “The Effectiveness of the Power of Two Method on Mathematical Problem Solving Ability of Class XI MA Attarbiah Islamiah Kolaka Students”. Arus Jurnal Pendidikan, vol. 1, no. 2, September 2021, hlm. 1-9, doi:10.57250/ajup.v1i2.1.