Segítőnk, a munkafüzet
By: Asztalos Gyuláné.
Series: Az Élővilág-tanítás problémái ;; 1
Publisher: Tankönyvkiadó
Published: 1971
Place of publication: Budapest
Language: hun
Number of pages: 97
Subjects: Biology -- Study and teaching (Elementary)
Notes: Bibliography: p. 95-96.