*Definition [#s00efd3a]
-A space X is said to be σ-ν-compact if it is the countable union of [[ν-compact]] spaces.

*Reference [#ef723114]
-S. Balasubramanian, P. Aruna Swathi Vyjayanthi and C. Sandhya,''ν-Compact spaces '', Scientia Magna, international book series, Vol. 5 (2009), No. 1 (78-82)