Two Dilla , Sharla, Tasya Nurhidayah, Husni Amala, and Gustian Djuanda. “RISIKO INVESTASI SAHAM PADA PERUSAHAAN MANUFAKTUR FOOD AND BEVERAGE DENGAN METODE STANDAR DEVIASI”. Penerbit Tahta Media (January 12, 2024). Accessed October 22, 2025. https://tahtamedia.co.id/index.php/issj/article/view/594.