THE EFFECT OF INFLUENCER PROMOTION ON ONLINE SHOPPING ACTIVITIES OF HIGH SCHOOL STUDENT IN BATAM CITY By : Putri Nabila/ 1901124845 E-mail : [email protected] Supervisor : Yesi, S.sos., M.Soc. Sc E-mail : [email protected] Department of Sociology Faculty of Social and Political Sciences Riau University Bina Widya Campus, Jl. H.R. Soebrantas, Km. 12.5 Simpang Bar…