1. Qualitative research;Pathak;Perspect Clin Res,2013
2. Assessment Essentials: Planning, Implementing, and Improving Assessment in Higher Education;Banta,1999
3. Educational Research: Competencies for Analysis and Applications;Gay,1999
4. Qualitative research: what it is and what it is not: study design: qualitative research;Denny;BJOG,2019
5. Understanding and evaluating survey research;Ponto;J Adv Pract Oncol,2015