Comparative Effectiveness of Video Media Instruction and Laboratory Teaching Technique in Learning Practical Chemistry in Nigeria Senior Secondary Schools. Journal of Educational and Social Research, London, U.K., v. 2, n. 2, p. 331, 2012. Disponível em: https://www.richtmann.org/journal/index.php/jesr/article/view/11844.. Acesso em: 23 nov. 2024.