Nabillah, Rokhmatun, et al. “How Is the Mathematical Connection Ability of Post-Pandemic Class IV Elementary School Students in Whole Numbers Material?”. PYTHAGORAS Jurnal Matematika Dan Pendidikan Matematika, vol. 18, no. 1, Oct. 2023, pp. 1-13, doi:10.21831/pythagoras.v18i1.58448.