“PROSPECTS OF USING THE QUARTZ DEPOSITS OF MARWAT ALIMIKAN AREA, EASTERN DESERT, EGYPT IN HI-TECH INDUSTRIES”, JGEM, vol. 31, no. 2, pp. 30–34, Nov. 2018, Accessed: Sep. 27, 2026. Available: https://bulletin-geography.kaznu.kz/index.php/1-geo/article/view/566