ABBAS FADHIL KADHIM, Assistant Professor Dr. The Inability of The Learner and Difficulties in Solving Chemical Problems and Their Relationship to Academic Achievement Among Sixth-Grade Science Students in Chemistry. lark, [S. l.], v. 18, n. 2, p. 422–394, 2026. DOI: 10.31185/lark.4952. Disponível em: https://lark.uowasit.edu.iq/index.php/lark/article/view/4952. Acesso em: 30 apr. 2026.