SUGIYANTO, S.; HARYATNO, T. DESIGN OF GRAVEYARD LIGHT POLES AND MATHEMATICAL MODELING OF ELECTRIC USE IN GRAVEYARD LIGHTS. Sunan Kalijaga Journal of Applied Mathematics, [S. l.], v. 1, n. 2, p. 57–61, 2023. DOI: 10.14421/skjam.v1i2.58. Disponível em: https://sunankalijaga.org/jurnal/index.php/skjam/article/view/58. Acesso em: 19 aug. 2026.