yulmiando, R.; Antoni, P.; Hamzah, H.; Wilastra, D.; Dahrial, D. 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, 136-142.