Saaed, F. M. A. و Ongerth, J. E. (2019) "Cryptosporidium oocyst and Giardia cyst contamination of salad vegetables in Kufra city, Libya", مجلة البحوث الأكاديمية, 13, ص 62–75. doi: 10.65540/jar.v13i.937.