Sofia University "St. Kliment Ohridski"- Sustainbility Report 2019-2021. Sofia: St. Kliment Ohridski University Press, 2022 47 p., ill. 978-954-9399-68-4.
Sofia University "St. Kliment Ohridski"- Sustainbility Report 2019-2021. Sofia: St. Kliment Ohridski University Press, 2022 47 p., ill. 978-954-9399-68-4.
(2022) Sofia University "St. Kliment Ohridski"- Sustainbility Report 2019-2021, Sofia: St. Kliment Ohridski University Press 47 p., ill. 978-954-9399-68-4.
(2022). Sofia University "St. Kliment Ohridski"- Sustainbility Report 2019-2021. Sofia: St. Kliment Ohridski University Press, 47 p., ill.
Sofia University "St. Kliment Ohridski"- Sustainbility Report 2019-2021. Sofia: St. Kliment Ohridski University Press; 2022. p. 47 p., ill. ISBN: 978-954-9399-68-4.