Sritrakulchai, K., Samuthsorn, P., Suethong, W. and Boonsatit, N. (2014) “Investigation for face and object identification from a digital image”, Engineering and Applied Science Research, 40(3), pp. 385–395. available at: https://ph01.tci-thaijo.org/index.php/easr/article/view/21697 (accessed: 31 August 2026).