Ọku

Ọku bụ mmegwara kemikal nke na-enye okpomọkụ na ihe. O were maka isi nri. Website of the Department of Homeland Security, US, looked up on 22 February 2016.

Lee nke ozo

 Ńkú

 Links n'aga n'ezi 

 Websit of the Savannah bushfires, UNEP United Nations Environment Programme, looked up on 20 February 2016.
 Eni Oil-Pipeline Explosion in Nigeria Kills 12, Injures 3, BloombergBusiness, 10 July 2015, looked up on 20 February 2016.

 References 

Oku
Oku