Boonnuan, W. and Udompan, W. (2020) “System to monitor attendance of students in schools, Nangrongpittayakom School, Nangrong District, Buriram”, SciTech Research Journal. Maha Sarakham, Thailand, 3(2), pp. 23–30. available at: https://ph02.tci-thaijo.org/index.php/jstrmu/article/view/246178 (accessed: 13 September 2026).