HAMDI, A. Analisis Sistem Informasi Pelayanan Jasa In-House Training pada PT. Sigma Global Internasional Jakarta. ComTech: Computer, Mathematics and Engineering Applications, [S. l.], v. 4, n. 1, p. 182-189, 2013. DOI: 10.21512/comtech.v4i1.2701. Disponível em: https://journal.binus.ac.id/index.php/comtech/article/view/2701. Acesso em: 28 mar. 2025.