NURELYATI; ZETRIUSLITA. DEVELOPMENT OF MATHEMATICAL LEARNING DEVICES ON TRIGONOMETRY MATERIAL WITH THE PEER TUTORING METHOD. Mathematics Research and Education Journal, [S. l.], v. 7, n. 1, 2023. DOI: 10.25299/mrej.2023.vol7(1).12267. Disponível em: https://journal.uir.ac.id/index.php/JPM/article/view/12267. Acesso em: 22 jul. 2026.