1. Approved methods of analysis;AACC,2000
2. Micronutrients in various streams of flour of different wheat cultivars;Anjum;Pakistan Journal of Agricultural Sciences,2003
3. Official methods of analysis;AOAC,1995
4. Evaluation of sugar fortification with vitamin A at the national level;Arroyave,1979
5. Food Constituents II;Awan,2006