As a part of... v As part of...

Hi,
I just wonder if I have to use an article or not in front of the word part.
As a part of my research I have created a short online survey and I would like to get your input.
As part of my research I have created a short online survey and I would like to get your input.
Thank in advance for your explanation.
Regards,
Ingrid

Either is possible and appropriate. There’s no significant change in meaning.