Saeed, A. A. M., Ali, A. M., & Fdhel, T. A. (2020). HPLC-ESI-MS ANALYSIS OF SOME BIOACTIVE SUBSTANCES IN TWO YEMENI MEDICINAL PLANTS. Electronic Journal of University of Aden for Basic and Applied Sciences, 1(4), 225–235. https://doi.org/10.47372/ejua-ba.2020.4.60