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. (2019). Iraqi Journal of Market Research and Consumer Protection, 11(1), 48-64. https://jmracpc.uobaghdad.edu.iq/index.php/IJMRCP/article/view/136