Dwarampudi, A. ., Y. . Mundru, M. K. . Yogi, and G. Umamahesh. “A Review of Valley Tracing Mechanism for Implementation of Multiprogrammed Operating Systems”. JOURNAL OF OPERATING SYSTEMS DEVELOPMENT &Amp; TRENDS, vol. 10, no. 3, Feb. 2024, pp. 36-41, https://stmcomputers.stmjournals.com/index.php/JoOSDT/article/view/761.