Nature protection is a social necessity Chairman of the Commit. for environ. Protection at the Council of Ministers of the People's Republic of Bulgaria

Ижил төстэй зүйлс

• Protected natural sites in the people's republic of Bulgaria
  Хэвлэсэн: (1981)
• la protection de la nature
  -н: Sinakov Y.
• Financing social protection
  -н: Cichon M et al
  Хэвлэсэн: (2004)
• Financing social protection
  -н: Cichon M et al
  Хэвлэсэн: (2004)
• Social protection floors for social justice and a fair globalization
  Хэвлэсэн: (2012)