Ambreen Aman, and Zahid Yaseen. “Interest Groups As a Key Policy Actors: Representation and Influence in the United States Political System”. ASIAN Journal of International Peace & Security (AJIPS), vol. 9, no. 4, Dec. 2025, pp. 1 - 14, http://ajips.fairlips.org/index.php/ajips/article/view/2025-vol-09-issue-4-interest-groups-as-a-key-policy-actors.