Haykal, Fakihat. Extraction of gold metal from Egyptian ores by optimized green process / Fakiha el-Taib Heakal, Amira M. Abd-Alla Bakry. - Saarbruc̈ken : LAP LAMBERT Academic ; 2018. - 110 p. : ill. ; 24 cm. Bibliography: p.103-110. ISBN: 9786134912273 Subjects--Topical Terms: Chemistry, Inorganic. Gold--Metallurgy. Materials science.Metals.