Claro Rodríguez, Alexis, Idelse E. Álvarez Céspedes, and Iraida Fátima Herrera Bermúdez. 2012. “General Considerations Regarding the Didactic Components “content” and ‘objective’ in Foreign Language Teaching”. Varela Journal 12 (31): 168-80. https://revistavarela.uclv.edu.cu/index.php/rv/article/view/417.