« Assessment of the pollution level of Prut river according to the structural indices of zooplankton ». Analele Universității ”Dunărea de Jos” din Galați. Fascicula II, Matematică, fizică, mecanică teoretică / Annals of the ”Dunarea de Jos” University of Galati. Fascicle II, Mathematics, Physics, Theoretical Mechanics, vol. 40, nᵒ 1, juin 2017, p. 61-68, https://ojs.ugal.ro/index.php/math/article/view/1254.