KUSUMA, George Endri. PENINGKATAN KOMPETENSI PNEUMATIK DAN HIDROLIK LULUSAN SMK DALAM RANGKA MEMPERSIAPKAN SDM MENYONGSONG REVOLUSI INDUSTRI 4.0. Jurnal Cakrawala Maritim, [S. l.], v. 2, n. 2, 2019. DOI: 10.33863/cakrawalamaritim.v2i2.1206. Disponível em: https://journal.ppns.ac.id/index.php/cakrawalamaritim/article/view/1206. Acesso em: 22 dec. 2025.