Dr Kassim Buhiran, Fakulti Agro Industri dan Sumber Asli, Universiti Malaysia Kelantan (UMK), Pengkalan Chepa, Kota Bharu, Kelantan. (Dated 2009 Jun 15)

Malaysian Agricultural Research and Development Institute (MARDI), Serdang Selangor. (Dated: 2000 Jan)