Saini, M. ., Goyal , D. . and Kumar, A. . (2023) “Availability and Performance Analysis of Primary Treatment Unit of Sewage Plant”, Thailand Statistician, 21(2), pp. 383–396. available at: https://ph02.tci-thaijo.org/index.php/thaistat/article/view/249008 (accessed: 11 December 2025).