SUPIYANI. PENGEMBANGAN METODE PEMERIKSAAN ABU ARANG SISA KEBAKARAN MENGGUNAKAN GCMS DI SUBBID FISKOM BIDLABFOR POLDA SUMUT. Jurnal Gembira: Pengabdian Kepada Masyarakat, [S. l.], v. 1, n. 06, p. 1384–1391, 2023. Disponível em: https://gembirapkm.my.id/index.php/jurnal/article/view/258. Acesso em: 3 oct. 2025.