Tofik, Tofik, Lorio Purnomo, Anggha Dipa Pratama, Shandra Widiyanti, and Anton Kurniawan. 2025. “PORTOFOLIO OPTIMAL SAHAM INDEKS INFOBANK15 PASCA PANDEMI BERAKHIR DI INDONESIA”. Journal of Innovation Research and Knowledge 4 (12):9301-16. https://bajangjournal.com/index.php/JIRK/article/view/10195.