Lazulfa, Indana, & Pujo Hari Saputro. " Portfolio Optimization With Buy-in Thresholds Constraint Using Simulated Annealing Algorithm." Prosiding SI MaNIs (Seminar Nasional Integrasi Matematika dan Nilai-Nilai Islami) [Online], 1.1 (2017): 370-377. Web. 21 May. 2024