Basic Engineering Training On Following Bullets In One State High School Students In Jaya Bhakti Village, Enok Sub-District, Indragiri HilirDistrict: PELATIHAN TEKNIK DASAR TOLAK PELURU PADA SISWA SMP NEGERI SATU ATAP DESA JAYA BHAKTI KECAMATAN ENOK KABUPATEN INDRAGIRI HILIR. JKA . 2020;1(2):136-142. doi:10.32520/karyaabdi.v1i02.1359