SIAHAAN, Gabriella Grace Yolanda; SIAGIAN, Jhonny. THE ANALYSIS OF OPTIMAL PORTFOLIO 3 COMPANIES’ STOCK AND THE INNOVATION OF STOCK PORTFOLIO, PERIOD OF 2014-2016. Fundamental Management Journal, [S. l.], v. 3, n. 1, p. 25–31, 2018. DOI: 10.33541/fjm.v3i1.718. Disponível em: http://ejournal.uki.ac.id/index.php/jm/article/view/718. Acesso em: 3 apr. 2025.