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Hartikasari, Merina and KHOIRIYAH, KHOIRIYAH and WICAKSONO, AGUNG (2021) THE EFFECTIVENESS OF USING WHATSAPP APLICATION IN TEACHING SPEAKING ONLINE TO THE TENTH GRADE STUDENTS OF SMK KARTANEGARA KEDIRI AT ACADEMIC YEAR 2020/2021. Undergraduate thesis, Universitas Nusantara PGRI Kediri.