Sajjad Raad Khalaf Hussien and Prof Dr. Atheer Abdul Ameer Hassoni 2023. THE ROLE OF PRODUCT INNOVATION IN IMPROVEMENT OF SUPPLY CHAIN PERFORMANCE AN ANALYTICAL STUDY OF THE OPINIONS OF A SAMPLE OF TECHNICIANS WHO WORK IN ENGINEERING OFFICES AND MEDICAL LABORATORIES DEPLOYED IN SOME IRAQI GOVERNORATES. World Bulletin of Management and Law. 20, (Mar. 2023), 120-129.