?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Azofeifa+Vanegas%2C+Ana+Elena&rft.aufirst=Ana+Elena&rft.aulast=Azofeifa+Vanegas&rft.title=An+Action+Research+for+Implementing+Active+and+Cooperative+Learning+Strategies+that+Develop+the+EFL+Speaking+Skills+of+8-A+Graders+at+Centro+Educativo+Santa+In%C3%A9s%2C+Costa+Rica&rft.date=1+Mayo+2022&rft.degree=Masters