THE EFFECT OF THE POST-BRANNAN STRATEGY ON ACHIEVEMENT AND SYSTEMIC THINKING AMONG MIDDLE SCHOOL GIRLS IN BIOLOGY. Sciental Journal of Education Humanities and Social Sciences, [S. l.], v. 4, n. 11, p. 18–37, 2026. DOI: 10.62536/sjehss.2026.v4.i11.pp18-37. Disponível em: https://scientaljournals.com/index.php/SJEHSS/article/view/281. Acesso em: 11 nov. 2026.