OMIKO AKANI, PH.D. Identification of the Areas of Students Difficulties in Chemistry Curriculum at the Secondary School Level. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 4, n. 04, p. 5071–5077, 2017. Disponível em: http://ijetst.in/index.php/ijetst/article/view/1008. Acesso em: 24 feb. 2025.