1.
Vinca A. Assessing Instrument Reliability and Validity in Exploring Teacher’s Roles and Attitude in ESP. IJSBAR [Internet]. 2017 Sep. 27 [cited 2024 May 3];36(2):71-80. Available from: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/8170