Adiabouah, Anna Sess. “Revisiting the Hodrick-Prescott Filter: A New Perception of the Minimization Problem”. American Scientific Research Journal for Engineering, Technology, and Sciences 64, no. 1 (February 22, 2020): 179–186. Accessed September 16, 2025. https://asrjetsjournal.org/American_Scientific_Journal/article/view/5606.