K. . Motallebzadeh and M. Khosravani, “Comparing Predictive Validity of Islamic Azad University English Proficiency Test and Standard Proficiency Tests against a Socio-Cognitively Validated Test of English for Specific Purpose”, IJLLT, vol. 3, no. 12, pp. 68–72, Dec. 2020, doi: 10.32996/ijllt.2020.3.12.9.