DETERMINING THE STRENGTH OF THE CEMENT-CARRYING WAGON-HOPPER AGAINST OVERTURNING.
American Journal of Pedagogical and Educational Research,
[S. l.], v. 15, p. 12–19, 2023. Disponível em:
https://americanjournal.org/index.php/ajper/article/view/1111. Acesso em: 30 sep. 2026.