Povyshatʹ effektivnostʹ ideino-vospitatelʹnoi raboty
Subtitle: opyt i problemy
By: red. koll. A.P. Petrov. (otv. red.) ... et al
Publisher: Chuvashskoe kn, izd-vo
Published: 1980
Place of publication: Cheboksary
Language: rus
Number of pages: 399