OMER AHMED KADHUM. The effect of organizational policies on professional productivity: Field study on the State Company for Drugs Industry and Medical Appliances - Samarra. Tikrit Journal of Administrative and Economic Sciences, [S. l.], v. 21, n. 71 part 1, p. 1–17, 2025. DOI: 10.25130/tjaes.21.71.1.1. Disponível em: https://www.tjaes.org/index.php/tjaes/article/view/2302. Acesso em: 11 sep. 2026.