Al-Jarrah, L. A. ., Y. S. . Al-Mahameed, and I. A. . Ababneh. “A Comparative Study of Personal Pronouns, Demonstrative Pronouns and Relative Pronouns in Arabic, English and Spanish”. International Journal of Linguistics, Literature and Translation, vol. 3, no. 12, Dec. 2020, pp. 102-9, doi:10.32996/ijllt.2020.3.12.13.