Key Economic Sectors and Their Transitions: Analysis of World Input-Output Network. - T. K. Tran; Hiroshi Sato; Akira Namatame (Robustness in Econometrics, 2017)

Necessary and sufficient optimality conditions for fuzzy fractional variational problems under granular fuzzy Caputo fractional derivatives. - Le Thanh Tung; H. T. Dang; T. K. Tran; L. B. N. Pham (Comput. Appl. Math., 2025)