Russia) Nauchno-metodicheskiĭ seminar Upravlenie tverdymi bytovymi otkhodami v Moskovskom regione (5th 2000 Moscow

Materialy 5-go nauchno-metodicheskogo seminara "Problemy edinogo ėkologicheskogo obrazovanii︠a︡ v oblasti tverdykh bytovykh otkhodov v Moskovskom regione"

2000