M. J. Ansari, A. Al-Ghamdi, N. Al-Waili, N. Adgaba, K. A. Khan, and A. Amro, “ANTIMICROBIAL ACTIVITY OF DRACAENA CINNABARI RESIN FROM SOQOTRA ISLAND ON MULTI DRUG RESISTANT HUMAN PATHOGENS”, Afr J Tradit Complement Altern Med, vol. 13, no. 1, pp. 123–127, Dec. 2015.