1. AELB, 1994a. Atomic Energy Licensing Act 1994, Atomic Energy Licensing (Small Amang Factory),(Exemption) Order 1994. Lembaga Perlesenan Tenaga Atom, Malaysia.
2. AELB, 1994b. Panduan Perlindungan Sinaran Untuk Kilang Amang Kecil, (LEM/TEK/37). Lembaga Perlesenan Tenaga Atom, Malaysia.
3. AELB, 1996. Panduan Pemonitoran Radiologi Untuk Pengendali Aktiviti TENORM Dalam Bidang Minyak Dan Gas (LEM/TEK/30 SEM.2). Lembaga Perlesenan Tenaga Atom, Malaysia.
4. Hewson, G.S., 1994. Overview of occupational radiological hazards in the amang industry of southeast Asia. Proceedings of the Seminar Radiological Hazards in Tin Mining and Heavy Mineral Processing, 21–22 June 1994, Syuen Hotel, Ipoh, Malaysia. Technical Cooperation SEATRAD Centre/BGR, pp.14–24.
5. IAEA, 1983. Radiation protection of workers in the tin mining and milling of radioactive ores. Safety Series No. 26. IAEA, Vienna, pp. 7–11.