Ramadhani, Ridho, Siti Fatonah, and Leni Triana. “Diversifikasi Portofolio Dan Risiko Sistematik Terhadap Kinerja Saham Sektor FMCG: Pendekatan Sharpe Ratio Dan Treynor Ratio”. Yudishtira Journal : Indonesian Journal of Finance and Strategy Inside 6, no. 2 (August 8, 2026): 388–405. Accessed October 23, 2026. http://gapenas-publisher.org/yudishtira/index.php/home/article/view/206.