MOHAMMED HAMEED ABBAS; AHMAD FATFHULLA AHMAD. The Role of Wise Leadership in Curbing the Phenomenon of Black Marketing: Drug Trade. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 22, n. 74 part 2, p. 354–373, 2026. DOI: 10.25130/tjaes.22.74.2.17. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/2402. Acesso em: 15 oct. 2026.