Kadhim A, Abdullah S. Spatial variation of locational patterns of shadow economies in the city of Baqubah. Al-adab J. [Internet]. 2024 Dec. 15 [cited 2024 Dec. 18];(151):297-332. Available from: https://aladabj.uobaghdad.edu.iq/index.php/aladabjournal/article/view/4588