Journal of Environmental Protection and Ecology : Official Journal of the Balkan Environmental Association (B.En.A.) - Sofia : s. n., 2018. - 23 см ISSN 1311-5065
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Journal of Environmental Protection and Ecology
APA
(2018). Journal of Environmental Protection and Ecology. Sofia: s. n.
Chicago
2018. Journal of Environmental Protection and Ecology. Sofia: s. n.
Harvard
(2018). Journal of Environmental Protection and Ecology. Sofia: s. n.
MLA
Journal of Environmental Protection and Ecology. Sofia: s. n. 2018.