الإصدارت المتوفرة:
نسخة الجوال للإصدار الأخير:
Study of mining investment, assessment of mineral resources sector and its development requirements in the Arab countries
الإصدارت المتوفرة:
نسخة الجوال للإصدار الأخير:
Study of mining investment, assessment of mineral resources sector and its development requirements in the Arab countries