Tirafany FG, Setiawan EP. Portofolio optimization with cardinality and minimum return constraints on the LQ45 index using genetic algorithm. Int. J. Ind. Optim. [Internet]. 2026Sep.10 [cited 2026Oct.29];7(2):103-21. Available from: http://journal2.uad.ac.id/index.php/ijio/article/view/13238