TAMPUBOLON, Carlos Naek Tua; SUBARTINI, Betty; SUKONO, Sukono. Food Sector Stock Investment Portfolio Optimization using Mean-Expected Shortfall Model with Particle Swarm Optimization. Operations Research: International Conference Series, [S. l.], v. 4, n. 3, p. 99–104, 2023. DOI: 10.47194/orics.v4i3.252. Disponível em: https://www.iorajournal.org/index.php/Orics/article/view/252. Acesso em: 14 jan. 2026.