Methodological Strategies for the Meaningful Learning of Chemistry: A Study Conducted at FAREM-Estelí, UNAN-Managua, 2016. RCientifica [Internet]. 2017 Jan. 19 [cited 2025 Aug. 9];(20):20-34. Available from: https://revistas.unan.edu.ni/index.php/Cientifica/article/view/2890