Ishnazarov, O. .; Xaydarov, X. . Mathematical Analysis of the Impact of External Factors on the Operating Modes of Pump Installations in the Technological Process: Analisis Matematis Dampak Faktor Eksternal Pada Mode Operasi Instalasi Pompa Dalam Proses Teknologi. acopen 2025, 10, 10.21070/acopen.10.2025.10507.