NAJMAN, K., PANGLISCH, S. and KATAYAMA, V. 2021. EFFECT OF DIFFERENT PARAMETERS OF THE BIOLOGICAL PROCESSES ON THE SPECIFIC GROWTH RATE OF NITRIFYING BACTERIA BY MEANS OF MATHEMATICAL MODELS. Journal of Duhok University. 23, 2 (Jan. 2021), 372-386. DOI:https://doi.org/10.26682/csjuod.2020.23.2.30.