Dr. Usman Ahmad. “لعاب ِ رسول اللہﷺ کے اعجازی پہلو: The Miraculous Aspect of Saliva of the Prophet ﷺ”. AL-IDRAK JOURNAL, vol. 2, no. 1, June 2022, p. 15− 28, https://alidrak.com/ojs3303/index.php/alidrak/article/view/49.