TasksZE: A Task-Based and Challenge-Based Math Serious Game Using Facial Emotion Recognition. - Humberto Marín-Vega; Giner Alor-Hernández; Maritza Bustos-López; Jonathan Hernández-Capistrán; Norma Leticia Hernández-Chaparro; Sergio David Ixmatlahua-Diaz (Future Internet, 2024)