DE LAURENT, D.; SUMADI; KENDALL MALIK; RAHMAD WASHINTON. INOVASI PERANCANGAN JAM TANGAN SEBAGAI PERWUJUDAN OPTIMALISASI MATERIAL LIMBAH BATOK KELAPA. EZRA SCIENCE BULLETIN, [S. l.], v. 3, n. 2, p. 1337–1345, 2025. DOI: 10.58526/ezrasciencebulletin.v3i2.390. Disponível em: https://ezra.krabulletin.com/index.php/ezrascibin/article/view/390. Acesso em: 28 mar. 2026.