Yurdagul, E. 2023. MATHEMATİCAL APPROACH TO THE ROLE OF INWARD AND OUTWARD FOREIGN DIRECT INVESTORS-LED DIFFUSION OF INNOVATION IN SINO ECONOMIC CONVERGENCE-DIVERGENCE IN LIGHT OF ROGERS’ DIFFUSION OF INNOVATION THEORY AND ECONOMİC CONVERGENCE-DİVERGENCE THEORY. WILAYAH: The International Journal of East Asian Studies. 12, 1 (Mar. 2023), 36–75. DOI:https://doi.org/10.22452/IJEAS.vol12no1.4.