Pengaruh Model Pembelajaran Kooperatif Tipe Think Pair ShareMenggunakan Media Power Point Terhadap Hasil Belajar Kimia Siswa Pada Pokok Bahasan Perubahan Materi Di SMPN 2 Percut Sei Tuan: The Influence of Cooperative Learning Model with "Think Pair Share" Type Using Media Power Point on Students’ Chemistry Learning Outcomes in the Subject of Changes in Material in SMP 2 Percut Sei Tuan . st. 2019;2(1):246-252. doi:10.32734/st.v2i1.351