Narpila, S.D. et al. 2023. The Influence of Student Initial Ability on Mathematics Learning Achievement Viewed from Critical Thinking Aspect. PYTHAGORAS Jurnal Matematika dan Pendidikan Matematika. 18, 1 (Jul. 2023), 89–96. DOI:https://doi.org/10.21831/pythagoras.v18i1.59667.