Chacón-Ramírez, N. et al.trans. 2016. The Use of Educational Chemistry Resources for Students in Academic Daytime Secondary Schools of San Jose School Districts 09 and 11, Costa Rica. Revista Electrónica Educare. 20, 3 (Sep. 2016), 1–24. DOI:https://doi.org/10.15359/ree.20-3.2.