Obshtestvo i okolna sreda
By: Ivan Dermendzhiev.
Edition: 1. izd.
Series: Chovek i zakon; Chovek i zakon (Sofia, Bulgaria)
Publisher: Izd-vo na Otechestvenii͡a︡ front
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 168