Drigas, Athanasios S., and Maia Karyotaki. “‘A Layered Model of Human Consciousness’”. International Journal of Recent Contributions from Engineering, Science & IT (iJES) 7, no. 3 (September 25, 2019): pp. 41–50. Accessed July 18, 2024. https://online-journals.org/index.php/i-jes/article/view/11117.