THE EFFECT OF OIL PALM KERNEL SHELL IN PRODUCING DIFFERENT TYPES OF POFA BASED MORTAR. Jurnal Teknologi, [S. l.], v. 77, n. 12, 2015. DOI: 10.11113/jt.v77.6308. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6308.. Acesso em: 19 jul. 2024.