Al Aboudi، N.، و Paddy. (2010). Measurements of Activity Concentrations of 238U and 226Ra in Soil Samples Collected from an Elevated Area Around an Onshore Oil Field Using High-Resolution Gamma-ray Spectromery (رسالة ماجستير غير منشورة). University of Surrey، غلدفورد. مسترجع من http://search.mandumah.com/Record/686125
Al Aboudi، Nasser، و Paddy. "Measurements of Activity Concentrations of 238U and 226Ra in Soil Samples Collected From an Elevated Area Around an Onshore Oil Field Using High-Resolution Gamma-ray Spectromery" رسالة ماجستير. University of Surrey، غلدفورد، 2010. مسترجع من http://search.mandumah.com/Record/686125