[Methods of encouraging independent activities of students during study hours and spare time].
Autor: | Kulik GS, Iakovleva EB, Demina TN |
---|---|
Jazyk: | ruština |
Zdroj: | Sovetskoe zdravookhranenie [Sov Zdravookhr] 1990 (4), pp. 59-61. |
Databáze: | MEDLINE |
Externí odkaz: |