Coro Roldan, W. I. (2016). “Analisis of learning difficulties in the speaking skill aimed at segundo de bachillerato “e“at “Unidad Educativa Riobamba” located in Riobamba, Chimborazo Province, during academic period february-june 2016.
Citace podle Chicago (17th ed.)Coro Roldan, Willian Israel. “Analisis of Learning Difficulties in the Speaking Skill Aimed at Segundo De Bachillerato “e“at “Unidad Educativa Riobamba” Located in Riobamba, Chimborazo Province, During Academic Period February-june 2016. 2016.
Citace podle MLA (9th ed.)Coro Roldan, Willian Israel. “Analisis of Learning Difficulties in the Speaking Skill Aimed at Segundo De Bachillerato “e“at “Unidad Educativa Riobamba” Located in Riobamba, Chimborazo Province, During Academic Period February-june 2016. 2016.