MARDHIYAH, W. F. .; MANURUNG, P. T. .; ALAMSYAH, N. .; WALUYO, M. R. . Product–service system mapping for educational service development in public primary schools. Jurnal Mantik, [S. l.], v. 9, n. 4, p. 1261-1269, 2026. DOI: 10.35335/mantik.v9i4.6853. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/6853. Acesso em: 17 apr. 2026.