Boonta C, Nakornrat P, Jinaporn N. RETRACTED: Design and performance evaluation of PEA IP over DWDM core networks. Eng Appl Sci Res [internet]. 2020 Sep. 4 [cited 2026 Feb. 21];47(3):348. available from: https://ph01.tci-thaijo.org/index.php/easr/article/view/242512