ALANAZI NUJUD ISMAIL, MOHD AZIDAN ABDUL JABAR, AB HALIM BIN MOHAMAD, ABD RAUF BIN HASSAN. Analysis of the Phenomenon of the Alternation and Rotation between Arabic Letters in Twitter . International Journal of Advanced Science and Technology, v. 29, n. 7, p. 3737-3744, 1 Jun. 2020.