“About Diatom’s Study of Kozache-Lagers’ka Arena in the ‘Oleshkivs’ki Piski’ National Nature Park (Ukraine)”. CHORNOMORSKI BOTANICAL JOURNAL, vol. 7, no. 3, Mar. 2012, pp. 276-82, https://cbj.kspu.edu/index.php/cbj/article/view/501.