ABSTRACT Nadya, Deninta Raefanty. (2021).The Implementation of Duolingo Application as Media in Learning English Writing Skill at SMK Negeri Tembarak. A Paper. English Department. Faculty of Education and Teacher Training. Universitas Tidar. Supervisor I Dr. Sri Sarwanti, M.Hum. Supervisor II Dr. Farikah, M.Pd. Keyword: Duolingo, Application, Writing Skill, Qualitative Research Technology ha…