PROPER TIME IN TECHNICAL SCIENCES AND ALTERNATIVE NOTIONS FOR THE FORCE, MECHANICAL WORK AND HEAT. Journal of Engineering Studies and Research, [S. l.], v. 22, n. 3, p. 58–65, 2016. DOI: 10.29081/jesr.v22i3.104. Disponível em: https://jesr.ub.ro/journal/article/view/104. Acesso em: 13 sep. 2025.