“PROSPECTS OF USING THE QUARTZ DEPOSITS OF MARWAT ALIMIKAN AREA, EASTERN DESERT, EGYPT IN HI-TECH INDUSTRIES” (2018) Journal of Geography and Environmental Management, 31(2), pp. 30–34. Available at: https://bulletin-geography.kaznu.kz/index.php/1-geo/article/view/566 (Accessed: 5 September 2026).