MASUHA, J. R. THE EFFICIENCY OF A TWO-EDGED TOOL AND ITS IMPROVEMENT. Tanzania Journal of Engineering and Technology, [S. l.], v. 4, n. 2, 2018. Disponível em: https://journals.udsm.ac.tz/index.php/tjet/article/view/2156. Acesso em: 20 apr. 2025.