HUSSAIN, S.; BUTT, I. H.; QAISAR, S. Effect of Flipped Classroom Approach (FCA) on Grade 9 Students’ Academic Achievement in the Subject of Chemistry. Annals of Human and Social Sciences, Gujranwala, Pakistan, v. 4, n. 4, p. 412–419, 2023. DOI: 10.35484/ahss.2023(4-IV)40. Disponível em: https://ojs.ahss.org.pk/journal/article/view/403. Acesso em: 22 jul. 2024.