Tran , Dinh Phung, and Van Phong Nguyen. “A Class of Economic Growth Model With Memory in the Context of Fractional Derivatives”. Journal of Finance - Marketing Research 3, no. 01 (March 25, 2025): 105–114. Accessed December 15, 2025. https://jfm.edu.vn/index.php/jfme/article/view/896.