PANCHANATHA, B. G. Difficulties Faced by the Higher Secondary School Students in Learning Chemistry. JOURNAL OF TEACHER EDUCATION AND RESEARCH, [S. l.], v. 12, n. 01, p. 74–77, 2012. Disponível em: https://www.jter.info/index.php/JTER/article/view/81. Acesso em: 11 jun. 2026.