Mladezhta i opazvaneto na okolnata sreda
Subtitle: sbornik statii
By: [avtorskiĭ kolektiv, Georgi T͡S︡ekin ... et al.].
Contributors: T͡S︡ekin, Georgi.
Edition: 1. izd.
Publisher: "Nar. mladezh"
Published: 1988
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 79