Djeddi Samah,Sokovic Marina D,Skaltsa Helen D (2011) Analysis of the Essential Oils of Some Centaurea Species (Asteraceae) Growing Wild in Algeria and Greece and Investigation of their Antimicrobial Activities, JOURNAL OF ESSENTIAL OIL BEARING PLANTS, vol. 14, br. 6, str. 658-666 (Article) 

Djeddi Samah,Karioti Anastasia,Sokovic Marina D,Koukoulitsa Catherine,Skaltsa Helen D (2008) A novel sesquiterpene lactone from Centaurea pullata: Structure elucidation, antimicrobial activity, and prediction of pharmacokinetic properties, BIOORGANIC & MEDICINAL CHEMISTRY, vol. 16, br. 7, str. 3725-3731 (Article) 

Djeddi Samah,Karioti Anastasia,Sokovic Marina D,Stojkovic Dejan S,Seridi Ratiba,Skaltsa Helen D (2007) Minor sesquiterpene lactones from Centaurea pullata and their antimicrobial activity, JOURNAL OF NATURAL PRODUCTS, vol. 70, br. 11, str. 1796-1799 (Article) 

Djeddi Samah,Karioti Anastasia,Sokovic Marina D,Stojkovic Dejan S,Skaltsa Helen D (2007) Antimicrobial activity of sesquiterpene lactones from Centaurea pullata L., growing wild in Algeria, PLANTA MEDICA, vol. 73, br. 9, str. 936-936 (Meeting Abstract)