TOFIK, T.; LORIO PURNOMO; ANGGHA DIPA PRATAMA; SHANDRA WIDIYANTI; ANTON KURNIAWAN. PORTOFOLIO OPTIMAL SAHAM INDEKS INFOBANK15 PASCA PANDEMI BERAKHIR DI INDONESIA. Journal of Innovation Research and Knowledge, [S. l.], v. 4, n. 12, p. 9301–9316, 2025. DOI: 10.53625/jirk.v4i12.10195. Disponível em: https://mail.bajangjournal.com/index.php/JIRK/article/view/10195. Acesso em: 27 oct. 2025.