Abdel Khaleq Ismail DH, Karim Radi Fairouz Al-Araji A. Sales tax and its impact on the profitability of telecommunications companies using price elasticity of demand. BCESUJ [Internet]. 2022 Jan. 15 [cited 2026 Jul. 21];67(1):118-44. Available from: https://ojs.baghdadcollege.edu.iq/index.php/BCESUJ/article/view/106