ā€œBENEFICIATION STUDIES OF THE QUARTZ DEPOSITS OF WADI MUBARAK AREA IN THE EASTERN DESERT OF EGYPT, FOR IDENTIFYING THE POSSIBILITY OF PRODUCTION OF HIGH PURITY QUARTZ CONCENTRATEā€. Journal of Geography and Environmental Management, vol. 31, no. 2, Nov. 2018, pp. 26-29, https://bulletin-geography.kaznu.kz/index.php/1-geo/article/view/565.