E. Yurdagul, “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-IJEAS, vol. 12, no. 1, pp. 36–75, Mar. 2023.