Wiri L, Chims BE, Sibeate UP. Intervention Modelling of Crude Oil Prices Using Pre- and Post-Transfer Function Models. FNAS-JSI [Internet]. 2025 May 30 [cited 2025 Oct. 6];6(4):109-18. Available from: https://fnasjournals.com/index.php/FNAS-JSI/article/view/973