[EpiData-list] Long questionnaire

Dear members,

I had a problem when make a new data entry form for a questionnaire which is very long (more than 80 pages), so 1 data entry form not enough for me because one data entry form have only 999 lines. So devided my form into 6 parts and I use the related command to links each part together, but I do not know the effective and the way to manage this issue, please help me.

Thanks in advance,

Best,

Linh