De or het deskstudie?

The correct Dutch article is:

de deskstudie

How to use deskstudie

the deskstudiede deskstudie
this deskstudiedeze deskstudie
that deskstudiedie deskstudie
our deskstudieonze deskstudie
your deskstudiejouw deskstudie
every deskstudieelke deskstudie
which deskstudie?welke deskstudie?
a big deskstudie / the big deskstudieeen grote deskstudie, de grote deskstudie