PURBA, Clinton; ARIFUDDIN, M; MAHTARI, Saiyidah. Pengembangan Materi Ajar Impuls dan Momentum Menggunakan Model Pengajaran Langsung Untuk Melatih Keterampilan Pemecahan Masalah. Journal of Authentic Research, [S. l.], v. 1, n. 2, p. 84–97, 2022. DOI: 10.36312/jar.v3i1.1035. Disponível em: https://journal-center.litpam.com/index.php/jar/article/view/1035. Acesso em: 29 jan. 2026.