1. IRRI, IRRI Rice Knowledge Bank (2006) http://www.knowledgebank.irri.org/ricebreedingcourse/Grain_quality.htm.[Accessed 20 April 2012].
2. BERNAS, “Background,” (2011). http://www.bernas.com.my/index.php. [Accessed 11 February 2012].
3. M. Gummert and J. Rickman, “Rice Quality,” (2011). http://www.knowledgebank.irri.org/factsheetsPDFs/postharvestFS_Rice_Quality.pdf. [Accessed 2012 May 2012].
4. M. A. Zainal, Interviewee, Rice Quality and Rice Grading. [Interview]. 29 April 2012.
5. H. M. G. Gazett, “Essential (Control of Supply of Rice) Regulations 1974, Rice (Grade and Price Control) Order 1992,” (1992).