SUPRIATNA, A.; ZULKARNAEN, R. Studi Kasus Tingkat Kecemasan Matematis Siswa SMA. Prosiding Sesiomadika, [S. l.], v. 2, n. 1c, 2019. Disponível em: https://journal.unsika.ac.id/index.php/sesiomadika/article/view/2721. Acesso em: 12 mei. 2024.