On Hölder calmness and Hölder well-posedness for optimal control problems, LQ Anh, VT Tai, TN Tam, Optimization 71 (10), 3007-3040

Semicontinuity of the solution maps to vector equilibrium problems with equilibrium constraints, LQ Anh, Optimization 71 (3), 737-751

The Minmax Regret Reverse 1-Median Problem on Trees with Uncertain Vertex Weights, THN Nhan, KT Nguyen, H Nguyen-Thu, Asia-Pacific Journal of Operational Research, 2250033

A linear time algorithm for connected p-centdian problem on block graphs, KT Nguyen, WC Teh, NT Hung, H Nguyen-Thu, Theoretical Computer Science 923, 318-326

The connected -median problem on complete multi-layered graphs, KT Nguyen, THN Nhan, WC Teh, NT Hung, Discrete Mathematics, Algorithms and Applications 14 (03), 2150118

Activity theory as a framework for teaching mathematics: An experimental study, NP Loc, NPP Oanh, NP Thao, T Van De, Heliyon 8 (10), e10789

Developing Primary Students' Understanding of Mathematics through Mathematization: A Case of Teaching the Multiplication of Two Natural Numbers, NTH Duyen, NP Loc, European Journal of Educational Research 11 (1), 1-16