Gholami Rouintani, A. H. ., A. Bayat, and payman Rajabi. “Validity of “Negation” and ‘Interrogatives’ in Processability Theory for Iranian EFL Learners”. Journal of Modern Languages, vol. 33, no. 2, Dec. 2023, pp. 97-119, doi:10.22452/jml.vol33no2.6.