ACTIVATING MARKETING WORD-OF-MOUTH BASED IN THE EFFECTIVENESS OF THE PHYSICAL AND SOCIAL ENVIRONMENT OF HEALTH SERVICE AN ANALYTICAL STUDY OF THE OPINIONS OF A SAMPLE OF PRIVATE HOSPITAL CUSTOMERS IN BABYLON GOVERNORATE. (2023). World Bulletin of Social Sciences, 22, 255-262. https://www.scholarexpress.net/index.php/wbss/article/view/2820