MOLLA, N. L. Improvement of Activeness and Learning Outcomes of English Speaking through the Snowball Throwing Learning Model. English Focus: Journal of English Language Education, [S. l.], v. 3, n. 2, p. 124–141, 2020. DOI: 10.24905/efj.v3i2.73. Disponível em: https://englishfocus.upstegal.ac.id/index.php/efj/article/view/73. Acesso em: 20 apr. 2025.