HELICAL TWISTED EFFECT OF SPIRAL PIPE IN GENERATING SWIRL FLOW FOR COAL SLURRIES CONVEYANCE. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 79, n. 7-3, 2017. DOI: 10.11113/jt.v79.11899. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/11899.. Acesso em: 19 dec. 2024.