@Article{481450,
     author = "Oksana Nagorniuk, Olga Nagorniuk",
     title = "Basic principles of education for sustainable development and their role in formation of ecocentric outlook",
     year =  2012,
     volume =  3,
     number =  1,
     journal =  Edukacja - Technika - Informatyka,
     pages =  s. 217-222,
    }