PENGARUH PEMANASAN AWAL GELAS BEKER PADA ANALISIS EXISTENT GUM ASTM D 381. Swara Patra : Majalah Ilmiah PPSDM Migas, [S. l.], v. 6, n. 4, 2016. Disponível em: https://dev-ejurnal.ppsdmmigas.id/sp/index.php/swarapatra/article/view/143. Acesso em: 6 jun. 2026.