[1111][1]
[222][2]
[333][3]
[444][4]
[1]: http://mercurschool.kz/news/ehkologijaly_sana_zh_ne_ehkologijaly_m_deniet/2011-10-02-24
[2]: http://adamzat.kz/kurstyk-jumystar/ekologiya-kurstyk-jumystar/ekologiyalyq-madenietin-qalyptastyru.html
[3]: http://www.trk.kz/%D0%9E%D1%82%D1%87%D0%B5%D1%82%D1%8B/5663-%D0%AD%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F%D0%BB%D1%8B%D2%9B-%D0%BC%D3%99%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5%D1%82%D1%96%D0%BD-%D2%9B%D0%B0%D0%BB%D1%8B%D0%BF%D1%82%D0%B0%D1%81%D1%82%D1%8B%D1%80%D1%83.html
[4]: http://kk.wikipedia.org/wiki/%D0%AD%D0%BA%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F%D0%BB%D1%8B%D2%9B_%D0%BC%D3%99%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5%D1%82
