Fatima Zain, Zafar Manzoor, and Dr. Azma Batool. “CORRUPTION AND THE SHADOW ECONOMY: COMPLEMENT OR SUBSTITUTE? EVIDENCE ACROSS INCOME GROUPS”. JOURNAL OF SOCIAL RESEARCH DEVELOPMENT 7, no. 6 (August 21, 2026): 364–388. Accessed October 13, 2026. https://www.jsrd.org.pk/index.php/jsrd/article/view/566.