Cobb, Janelle. "A Qualitative Study: An Evaluation of the Perception of Ohio Dental Hygienists that Work with Underserved Populations and use the Oral Health Access Supervision Program Permit." Master's thesis, Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1554937449192503Chicago Manual of Style (17th edition)