Mulligan, Bryce, and Stanley Koren. “Geopsychology of Instrumental Aggression: Daily Concurrence of Global Terrorism and Solar-Geomagnetic Activity (1970-2018)”. Advances in Social Sciences Research Journal 8, no. 5 (June 2, 2021): 487–499. Accessed April 25, 2024. https://journals.scholarpublishing.org/index.php/ASSRJ/article/view/10266.