Inka Pebrianti Sidabutar 2023. The Influence of Learning Discipline and Teacher Teaching Style on The Learning Achievement of Class VIII Students of SMP Negeri 12 Pematang Siantar in The 2023/2024 Academic Year. International Journal of Integrated Science and Technology. 1, 4 (Oct. 2023), 347–354. DOI:https://doi.org/10.59890/ijist.v1i4.602.