Abu Al-Sondos, Jihad Ahmad. “The Size and Contribution of the Informal Economy in Jordan During the Period 2019-2023”. Journal of Economic, Administrative and Legal Sciences 9, no. 10 (October 30, 2025): 125–147. Accessed December 19, 2025. https://ajsrp.ojsexpert.com/index.php/jeals/article/view/9315.