Khalid, M.A. (2004). Low-cost Near-Infrared Imaging Device for Inspection of Historical Manuscripts. Prosiding Persidangan Kebangsaan Sains dan Teknologi dalam Pemuliharaan Warisan Negara: Mengintegrasi Sains, Teknologi dan Warisan, 16-19 Ogos 2004, Hotel Equatorial, Melaka. Ms. 247-255.
- Instrument and method (ms248-249)
- References (ms255)