UTAMI, C. A.; HAJI, S.; ZAMZAILI, Z. PENGARUH PEMBELAJARAN PROBLEM BASED LEARNING DENGAN STARTEGI GROUP INVESTIGATION TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA SMKN 3 REJANG LEBONG. Jurnal Pendidikan Matematika Raflesia, [S. l.], v. 2, n. 2, 2017. DOI: 10.33369/jpmr.v2i2.3697. Disponível em: https://ejournal.unib.ac.id/jpmr/article/view/3697. Acesso em: 17 apr. 2025.