Suwarno, https://orcid.org/0000-0002-8639-6127
Triyono, Sulis https://orcid.org/0000-0002-2795-757X
Ashadi, https://orcid.org/0000-0002-5439-2041
Sahayu, Wening https://orcid.org/0000-0002-6563-8617
Article History
Accepted: 26 April 2021
First Online: 26 May 2021
Declarations
:
: The authors declare that they have no potential conflict of interest. This study was collaboratively undertaken.
: This study did not involve any human participants or animals.
: Seeking informed consent from individual participants in this study was not applicable because this study analysed an EFL textbook as one of the curriculum documents.