Sumanty, Mira Titi, and Turdjai Turdjai. 2021. “IMPLEMENTATION OF DISCOVERY LEARNING MODELS TO IMPROVE THE ABILITY OF SOLVING PROBLEMS AND LEARNING ACHIEVEMENTS (Study on Chemistry Subject Class XII Students in Senior High School 1 Tebing Tinggi)”. Diadik: Jurnal Ilmiah Teknologi Pendidikan 8 (2):71-81. https://doi.org/10.33369/diadik.v8i2.17459.