Sistema na prirodozashtitnite poni͡a︡tii͡a︡ v obuchenieto
By: Zdr. Kostova, L. Naĭdenova, M. Dodova.
Contributors: Naĭdenova, Lili͡a︡na, joint author.; Dodova, M., joint author.
Publisher: Nauchnoizsledovatelski in-t po obrazovanieto T. Samodumov
Published: 1978
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 127
Subjects: Environmental policy -- Study and teaching.; Environmental protection -- Study and teaching.
Notes: Includes bibliographical references.
At head of title: Ministerstvo na Narodnata prosveta.