Al-qalawi U, AlQudah A, Alwaked AA, Al-Rabbaie AAR. The efficiency of defense-augmented production function for G20 countries: An analysis of the relationship with Country Fragile Index. ijirss [Internet]. 2025 Apr. 16 [cited 2025 Jun. 29];8(2):4054-6. Available from: http://www.ijirss.com/index.php/ijirss/article/view/6230