Ahmed, N.M.M. 2018. Geology and geochemistry of the upper proterozoic granites of As – said intrusive complex in Lawder – Mudia districts Abyan Governorate. University of Aden Journal of Natural and Applied Sciences. 22, 1 (Apr. 2018), 115–125. DOI:https://doi.org/10.47372/uajnas.2018.n1.a09.