Cytotoxic Activity of Eurycoma Longifolia Jack Root Extract Against Nasopharyngeal Carcinoma Cell Line, Kajahmohideen, Nur Haseena, Razi Siti NurSyafiqa, Faisal Ghasak Ghazi, Ashour Abdelkader Elbadawy, Kusumawardani Anisa, Makky Essam A., and Ibrahim OE , Pharmacognosy Journal, July 2021, Volume 13, Issue 4, p.1014-1018, (2021)