“THE ROLES OF PUBLIC RELATIONS IN AN ENVIRONMENTAL AWARENESS CAMPAIGN: A CASE STUDY OF SWM ENVIRONMENT SDN BHD”. Jurnal Kemanusiaan 17, no. 1-S (May 8, 2019). Accessed July 24, 2026. https://jurnalkemanusiaan.utm.my/index.php/kemanusiaan/article/view/323.