List of Articles Cognitive Complexity Open Access Article Abstract Page Full-Text 1 - Impact of Cognitive Complexity of Tasks on EFL Learners' Individual and Collaborative Written Performance Afsane Motallebi Moghaddam Faramarz Azizmalayeri Abbas Bayat 10.30495/ttlt.2022.696828 20.1001.1.20088590.2022.12.4.11.6