Thanh Dat, Huynh. “THE STUDY OF INORGANIC MATERIALS USING DIFFUSE REFLECTANCE”. Science and Technology Development Journal 5, no. 12 (December 31, 2002): 29-34. Accessed May 10, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/3462.