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), pp. 347–354. doi: 10.59890/ijist.v1i4.602.