Siaska, Inna. 2022. “DEVELOPMENT AND IMPLEMENTATION OF THE PEDAGOGICAL SYSTEM OF FORMATION OF ECOLOGICAL COMPETENCY OF FUTURE TEACHERS OF NATURAL Sciences IN THE EDUCATIONAL PROCESS OF HIGHER EDUCATION INSTITUTIONS”. European Science 2 (sge11-02):6-24. https://doi.org/10.30890/2709-2313.2022-11-02-016.