ISTANTO, Wisnu; AMELIA, Noer; ANGGORO, Sapto Dwi. Validation and Reliability of Self-Efficacy English Learning of Health Vocational Students with Jigsaw Learning Strategy. Anglophile Journal, [S. l.], v. 3, n. 1, p. 14–25, 2022. DOI: 10.51278/anglophile.v3i1.481. Disponível em: https://attractivejournal.com/index.php/anglophile/article/view/481. Acesso em: 2 may. 2026.