Trichkova, Teodora, Paunović, Momir, Cogălniceanu, Dan, Schade, Sven, Todorov, Milcho, Tomov, Rumen, Stănescu, Florina, Botev, Ivan, López-Cañizares, Celia, Gervasini, Eugenio, Hubenov, Zdravko, Ignatov, Kostadin, Kenderov, Marian, Marinković, Nikola, Mitton, Irena, Preda, Cristina, Spinelli, Fabiano Antonio, Tsiamis, Konstantinos, Cardoso, Ana Cristina, "Pilot Application of ‘Invasive Alien Species in Europe’ Smartphone App in the Danube Region" in Water, 13, no. 21 (2021):2952,
https://doi.org/10.3390/w13212952 . .