Amel Naji Wadi, Zainab Mahmood Abdulla, & Hadi Kareem Dahaam. (2015). Identification Study to determine Some Active Substances In Marjoram Plant Extracts . Journal of Madenat Alelem University College, 7(2), 27-34. Retrieved from http://116.203.176.164/index.php/JMAUC/article/view/147