“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 , vol. 1, no. 2, pp. 136–142, Dec. 2020, doi: 10.32520/karyaabdi.v1i02.1359.