Herrera, R Romero-, FJ Gallagos- Funes, AG Juarez- Gracia, and J López- Bonilla. “Tracking Facila Expressions by Using Stereoscopy Video and Back Propagation Neural Network”. Kathmandu University Journal of Science Engineering and Technology 6, no. 1 (January 28, 2010). Accessed September 19, 2024. https://journals.ku.edu.np/kuset/article/view/271.