Al Hwaiti، M. S. A. A.، Matheis، G.، و Saffarini، G. A. (2000). Geostatistical and geochemical investigation on Shidiya phosphorites, Western orebody, south Jordan: Variation in one composition and its Content of Toxic heavy Metals available for plant Absorption
(رسالة دكتوراه غير منشورة).
الجامعة الاردنية، عمان. مسترجع من http://search.mandumah.com/Record/597552
Al Hwaiti، Mohammad Salem Abd Allah، Guenter Matheis، و Ghazi A. Saffarini. "Geostatistical and Geochemical Investigation On Shidiya Phosphorites, Western Orebody, South Jordan: Variation in One Composition and Its Content of Toxic Heavy Metals Available for Plant Absorption" رسالة دكتوراه.
الجامعة الاردنية، عمان، 2000. مسترجع من http://search.mandumah.com/Record/597552