Drigas, Athanasios, and Eleni Mitsea. “Metacognition, Stress – Relaxation Balance & Related Hormones”. International Journal of Recent Contributions from Engineering, Science & IT (iJES) 9, no. 1 (March 23, 2021): pp. 4–16. Accessed April 23, 2024. https://online-journals.org/index.php/i-jes/article/view/19623.