Hengprasert, Ratthasart. 2020. “An End-to-End Trainable Thai OCR System Using Deep Recurrent Neural Network: Ratthasart Hengprasert* and Suradej Intagorn”. Journal of Science Innovation for Sustainable Development 2 (1):78–83. https://ph01.tci-thaijo.org/index.php/JSISD/article/view/244706.