SAĞLIK İLETİŞİMİNDE GÖRSEL İLETİŞİMİN KULLANIMI: EL HİJYENİ KAMPANYASI ÖZELİNDE BİR DEĞERLENDİRME (UTILISATION OF VISUAL COMMUNICATION IN HEALTH COMMUNICATION: AN EVALUATION WITHIN THE CONTEXT OF HAND HYGIENE CAMPAIGN) - Ozan Bilge MANTAR - | The Journal of Academic Social Science