Siak, K., L. et al.(2007).Natural Gamma Background Radiation Dose Rate and Its Relationship with Geological Background in the Kinta District, Perak, Malaysia .Malaysia:Fakulti Sains Universiti Teknologi Malaysia.
Gaya MLA
Kuan, Lee, Siak. et al."Natural Gamma Background Radiation Dose Rate and Its Relationship with Geological Background in the Kinta District, Perak, Malaysia".Malaysia:Fakulti Sains Universiti Teknologi Malaysia,2007.Publikasi Dosen.