MASUHA, J. The efficiency of a Two-edged Tool and Its Improvement. Tanzania Journal of Engineering and Technology, [S. l.], v. 4, n. 2, p. 67-71, 1979. DOI: 10.52339/tjet.v4i2.53. Disponível em: https://tjet.udsm.ac.tz/index.php/tjet/article/view/53. Acesso em: 19 apr. 2025.