MUHAMMAD YASMINTO. The Effect of Using Free Talk Worksheets from English Planet’s Program on Speaking Achievement at the Tenth Grade Students of Vocational High School Plus Almaarif Singosari. INOVATIF: Jurnal Penelitian Pendidikan, Agama, dan Kebudayaan, [S. l.], v. 5, n. 1, p. 162–173, 2019. DOI: 10.55148/inovatif.v5i1.247. Disponível em: https://jurnal.iaih.ac.id/index.php/inovatif/article/view/247. Acesso em: 12 nov. 2025.