THE ROLE OF PROMOTIONAL MIX ELEMENTS IN ENHANCING COMPETITIVE ADVANTAGE: GENERAL COMPANY FOR THE MANUFACTURE OF PHARMACEUTICALS AND MEDICAL SUPPLIES IN SAMARRA / CASE STUDY.: THE ROLE OF PROMOTIONAL MIX ELEMENTS IN ENHANCING COMPETITIVE ADVANTAGE: GENERAL COMPANY FOR THE MANUFACTURE OF PHARMACEUTICALS AND MEDICAL SUPPLIES IN SAMARRA / CASE STUDY. IJMRCP [Internet]. 2019 Apr. 25 [cited 2024 Apr. 29];11(1):48-64. Available from: https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/136