“New Neo-Proterozoic Gold-Copper Gossan Discovery, EL Idaira Area, Red Sea Hills – Sudan” (2022) iJournals:International Journal of Social Relevance & Concern ISSN:2347-9698, 10(3). पर उपलब्ध: https://ijournals.in/journal/index.php/ijsrc/article/view/88 (अंतिम उपयोग: 20 अक्टूबर 2026).