Iness Nedji Milat Hassina Seridi Mokhtar Sellami 0001 Towards an Intelligent Emotional Detection in an E-Learning Environment. 712-714 2008 Intelligent Tutoring Systems https://doi.org/10.1007/978-3-540-69132-7_86 conf/its/2008 db/conf/its/its2008.html#MilatSS08