Saragi JFH, August Sianturi T, Jhon Sufriadi Purba, Goldberd Harmuda Duva Sinaga. Sosialisasi Teknik Pengelasan di SMK Samudera Indonesia Medan. abdi.sabha.j.pengabdi.kpd.masy. [Internet]. 2022 Jun. 17 [cited 2025 Jul. 19];3(2):220-6. Available from: https://www.jurnal.ceredindonesia.or.id/index.php/jas/article/view/640