Production Optimization Analysis Based on Effective Working Hour of Mobile Crusher Unit 02: Case Study in PT Mifa Bersaudara, West Aceh. Jurnal Serambi Engineering, [S. l.], v. 11, n. 1, 2026. Disponível em: http://jse.serambimekkah.id/index.php/jse/article/view/1527. Acesso em: 30 apr. 2026.