Z. M. Qaddoura, M. . “The Use of Substitution Table in Teaching Writing Among Primary School Students”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 52, no. 1, May 2020, pp. 1-7, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/10828.