“An Appraisal of Russia and United States of America Involvement in Syrian Civil War, 2011 – 2018”. International Journal of Sustainable Applied Sciences (IJSAS) 1, no. 4 (September 26, 2024): 397–436. Accessed October 13, 2025. https://penerbitjurnalinternasional.com/index.php/ijsas/article/view/487.