Yes hello, I am doctoral student research title is The Impact of HIT with Interoperability and Usability on sustainability on Healthcare. I am using

Yes hello, I am doctoral student research title is The Impact of HIT with Interoperability and Usability on sustainability on Healthcare. I am using quantitative research using Proquest Central as secondary database but now need secondary dataset and help writing research question. What do I do to find secondary dataset and how do I find that? does it have to include all variables interoperability and usability and sustainability? Need help.