Ullah, F., Hamid Ullah, and shahid Jan. “Exploring Themes of a Voluntary and Enforced Tax Compliance Behavior: A Stakeholders Perspective Using Thematic Approach in Khyber Pakhtunkhwa”. CITY UNIVERSITY RESEARCH JOURNAL, vol. 12, no. 2, June 2022, http://www.cusitjournals.com/index.php/CURJ/article/view/745.