Hartini Mardan, Nur, and Norsiah Fauzan. “Quantitative Electroencephalogaphy (QEEG) and Neurofeedback Training (NFT) for Elderly With Mild Cognitive Impairment (MCI)”. International Journal of Engineering & Technology 7, no. 3.22 (August 8, 2018): 32–36. Accessed May 5, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/17118.