Armin Keller. “Designing SLA-Aware Reactive Apis In Financial Microservices: A Comparative Analysis Of Spring Webflux, Traditional Blocking Models, And Virtual Threads”. Emerging Frontiers Library for The American Journal of Engineering and Technology, vol. 7, no. 10, Oct. 2025, pp. 194-05, https://emergingsociety.org/index.php/efltajet/article/view/574.