PRATIWI, Aci Ayu; ROZA, Yenita; MURNI, Atma. Development of Student Worksheet Based on Contextual Problems to Facilitate Students’ Mathematical Problem-Solving Skills in Flat-Sided Space VIII SMP/MTs. Journal of Educational Sciences, [S. l.], v. 9, n. 2, p. 699–708, 2025. DOI: 10.31258/jes.9.2.p.699-708. Disponível em: https://jes.ejournal.unri.ac.id/index.php/JES/article/view/25. Acesso em: 19 may. 2026.