Hayder N Kadhim, Janaan A ALshamkhawii, Athraa N Albukhuttar. Using a Mathematical Model to Prepare a Budget for Specific Activities in Institutions. Int. Jour. of Scie.Tren. [Internet]. 2023 Mar. 31 [cited 2024 Jul. 5];2(3):58-65. Available from: https://scientifictrends.org/index.php/ijst/article/view/81