ASST INS. MUNA ABDULLAH ISMAIL. "The Effectiveness Of A Problem-Centered Education Strategy For Developing Systemic Thinking Skills In Science For First-Grade Female Students". Elementary Education Online, [S. l.], v. 19, n. 4, p. 7509–7523, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/7065. Acesso em: 15 jan. 2025.