SIMANUNGKALIT, Rick Hunter; PERANGINANGIN, Renita Br. Analysis of Mathematics Problem Solving Ability of Junior High School Students in Solving Problems in Online Learning. Phenomenon : Jurnal Pendidikan MIPA, [S. l.], v. 11, n. 2, p. 127–144, 2021. DOI: 10.21580/phen.2021.11.2.8816. Disponível em: https://journal.walisongo.ac.id/index.php/Phenomenon/article/view/8816. Acesso em: 23 jan. 2025.