UDO , Michael E. COMPARATIVE STUDY OF PERFORMANCE METRICS IN PALM KERNEL CRACKERS WITH FOUR-ARM HAMMER BEATER MECHANISMS . Research Journal of Engineering and Allied Sciences, [S. l.], v. 12, n. 3, p. 1–13, 2024. DOI: 10.5281/zenodo.13789836 . Disponível em: https://aydenjournals.com/index.php/RJEAS/article/view/799. Acesso em: 3 sep. 2025.