García-Argüelles, L. Álvaro, and R. Escobar-Lorenzo. “Experimental Tasks of General Chemistry to Contribute for the Initial Formation of Mechanical Engineer´s”. Revista Cubana De Química, vol. 28, no. 2, May 2016, pp. 675-91, https://cubanaquimica.uo.edu.cu/index.php/cq/article/view/1151.