20210207000000.0 1998-0159 International journal of mathematics and computers in simulation. http://www.naun.org/journals/mcs/ 1998-0159 1998-0159 portico Portico 2021/2023 2024-03-26 Preserved : 2021: 15, 2022: 16, 2023: 17 Preserved : 2021: 15, 2022: 16, 2023: 17 Preserved North Atlantic University Union International Journal of Mathematics and Computers in Simulation 1998-0159 International journal of mathematics and computers in simulation International journal of mathematics and computers in simulation. International journal of mathematics and computers in simulation 1998-0159 1998-0159