NUGROHO, FX.Febriyanto Adi; SULISWORO, Dwi. Pengembangan Media Powerpoint Materi Rasio Trigonometri Dengan Model Problem Based Learning di SMA Negeri 1 Klaten. JS (JURNAL SEKOLAH), [S. l.], v. 5, n. 2, p. 16–25, 2021. DOI: 10.24114/js.v5i2.26304. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/js/article/view/26304. Acesso em: 3 jul. 2025.