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RATNAWATI., RATNAWATI. (2017) Penerapan Model Problem Based Learning (PBL) Terhadap Peningkatan Kemampuan Memecahkan Masalah IPS Kelas VII.1 Di SMP Negeri 1 Mallusetasi Kabupaten Barru. S1 thesis, Pascasarjana.
RATNAWATI., RATNAWATI. (2013) An Analysis of Students’ Politeness Strategies in Classroom Interaction. S1 thesis, Universitas Negeri Makassar.