Mardasari OR. Peningkatan Kemampuan Bahasa Mandarin Bagi Karyawan Pt. World Innovative Telecommunication (OPPO Smartphone). DJPKM [Internet]. 2022Jun.30 [cited 2024May8];6(3):655-61. Available from: https://journal.unilak.ac.id/index.php/dinamisia/article/view/8378