Vijaya Kumar A, R. Ponnusamy D. Emotion based mental retardation recognition framework (EMRRF) using HPSO-ANN technique. IJET [Internet]. 2018 Dec. 17 [cited 2024 Dec. 22];7(4):4151-6. Available from: https://sciencepubco.com/index.php/ijet/article/view/20358