KURNIAWAN, Heru; DARMONO, Prasetyo Budi. The Use of Open-Ended Student Worksheet to Improve Mathematics Communication Skills in Algebra. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 9, n. 5, p. 402–416, 2021. DOI: 10.31686/ijier.vol9.iss5.3106. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/3106.. Acesso em: 10 may. 2024.