Boongoen, T., Iam-On, N. and Undara, B. (2018) “Improving Face Detection with Bi-Level Classification Model”, NKRAFA JOURNAL OF SCIENCE AND TECHNOLOGY, 12, pp. 52–63. Available at: https://ph02.tci-thaijo.org/index.php/nkrafa-sct/article/view/155059 (Accessed: 25 February 2024).