Muhammad Ali, Dr. Ahsan Bashir, Sadia Ali, Maryam Aleem. “STUDYING MULTIDIMENSIONAL PATTERNS OF CHANGE OVERTIME IN WRITING LETTER TO EDITOR”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 7, May 2021, pp. 2610-21, https://archives.palarch.nl/index.php/jae/article/view/8553.