List of Articles زهرا هاشمی نصرآبادی Article 1 - The Relationship Between Company Strategies and Effective Factors According to The Degree of Cost Stickiness Zahra Hashemipour Nasri Mojgan Safa Fardin Mansouri Reza Gholami Jamkarani Theory of Approximation and Applications , Issue 1 , Year , Spring 2023