I have 4 cell´s

1= colun
2 = line
3 = sheet
4 = result
I dont know if is possible, but i fink tha is...

I neet to do some thing like this in the cell results;

(join the cell nº)=CONCATENATE(colun;line)
(sheet name) =test

Make like =CONCATENATE("'";sheetname;"'";"!";join)

now i fink I have someting like this [ ='standard'!D28 ]

Now, i need to make a formula off that, and only I can do is see the
information on the cell


Can some 1 Help me????

Thanks a lote!!!!!!!!