Efforts to Improve the Learning Outcomes of Pencak Silat Front Straight Kicks through A Scientific Approach and Learning Variations In Integrated Grade VIII Students of SMP Muhammadiyah 01 for the 2019/2020 Academic Year Journal title: International Journal of Multidisciplinary Research and Analysis Authors: M. Ikhsan Rizaldi Nasution, Hariadi, Eva Faridah, Rahma Dewi, Novita, Nurkadri Subject(s): Biological Sciences, Economics, Education, Engineering, Mathematics, Social Sciences, Technological Change, Health science