Aya Ali Ahmed Alassass, Marwa Samy Abubakr, Seif-Eldin Nasr Ayyad, and Ebrahim Mohammed. “Chemical Investigation and Isolation of Some Constituents from Paralemnalia Thyrsoides”. World Journal of Pharmaceutical Sciences, vol. 9, no. 7, July 2021, pp. 1-5, https://wjpsonline.com/index.php/wjps/article/view/128.