Suwasono, Bagiyo, Sjarief Widjaja, Ahmad Zubaydi, and M. Zaed Yuliadi. “Strategi Produktivitas Tenaga Kerja Dan Daya Saing: Studi Kasus Galangan Kapal Kawasan Pulau Batam Dan Jawa”. International Research Journal of Business Studies 3, no. 2 (August 1, 2010): 203–222. Accessed December 4, 2025. https://irjbs.prasetiyamulya.ac.id/index.php/jurnalirjbs/article/view/832.