Maissam jdid; Florentin Smarandache. The Graphical Method for Finding the Optimal Solution for Neutrosophic Linear Models and Taking Advantage of Non-Negativity Constraints to Find the Optimal Solution for Some Neutrosophic Linear Models in Which the Number of Unknowns Is More Than Three. Neutrosophic Sets Syst. 2023, 58, 68-80.