Yanti OF, Prahmana RCI, Fitriyah F. Single subject research: Pembelajaran phytagoras pada siswa introvert kelas VIII. BetaJTM [Internet]. 2018 May 31 [cited 2026 Oct. 28];11(1):37-49. Available from: https://jurnalbeta.ac.id/index.php/betaJTM/article/view/147