WAHJU, Endro. Full Text. Majalah Ilmiah Pengkajian Industri; Journal of Industrial Research and Innovation, [S. l.], v. 11, n. 2, p. 85–154, 2017. Disponível em: https://ejournal.brin.go.id/MIPI/article/view/1563. Acesso em: 16 may. 2025.