1.
Abdullah DD, Shidqi AA, Ramadhandi DS, Pratami A, Mukhiturrusda M, Sudarmawan S, et al. pH Monitoring Online. jeas [Internet]. 2023 Jul. 10 [cited 2025 Nov. 22];4(2):08-11. Available from: https://al-kindipublishers.org/index.php/jeas/article/view/5651