Sihombing P, Putra WS. Best Value Investing Strategy: Analysis of Graham, Greenblatt, and Piotroski Methods for Smart Investment Decisions. RFB [Internet]. 2024 Oct. 16 [cited 2025 Aug. 2];2(2):97-108. Available from: https://sanscientific.com/journal/index.php/rfb/article/view/311