Nada Zeitalini Arini, 1516031035 (2019) THE EFFECT OF PLASTIC DIET CAMPAIGN USING INSTAGRAM AS SOCIAL MEDIA BY COLLEGE STUDENTS AGAINTS PRO AND CON TO REDUCE THE BEHAVIOR OF USING PLASTIC (STUDY ON LAMPUNG UNIVERSITY COLLEGE STUDENTS). Fakultas Ilmu Sosial dan Ilmu Politik, UNIVERSITAS LAMPUNG.