1. Handbook of Food Process Design, Handbook of Food Process Design;Ahmed,2012
2. Infestation of date palm varieties by stored product insects in orchard;Al-Hafidh;Date Palm J.,1987
3. Dates;Aleid,2012
4. Eigenschaften der Kolensȁure;Anonymus,1992
5. Official Methods of Analysis of AOAC International (16 Th ed.), Association of Official Analytical Chemists;AOAC,1998