HASBI, Muhammad; ARIFANTI, Dwi Risky; RATIWI, Devi; SAPRI, Hasri Amaliah; SATRIANI, Satriani. Investigasi Kecemasan Siswa Sekolah Menengah Pertama Terhadap Representasi Matematis. Delta-Pi: Jurnal Matematika dan Pendidikan Matematika, [S. l.], v. 10, n. 2, p. 207–226, 2021. Disponível em: https://ejournal.unkhair.ac.id/index.php/deltapi/article/view/3571. Acesso em: 26 jun. 2026.