Semeĭstvo, ekologiia, vŭzpitanie
By: Vera Boĭcheva, Siĭka Khristova
Publisher: Univ. izd-vo [Sv. Kliment Okhridski
Published: 1992
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 140
Subjects: Environmental education; Social ecology; Education; Social aspects
Notes: Includes bibliographical references.