KNAPCZYK, Adrian; FRANCIK, Sławomir. ANALYSIS OF RESEARCH TRENDS IN THE FIELD OF MECHANICAL ENGINEERING. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 2, p. 74–78, 2019. DOI: 10.17770/etr2019vol2.4170. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/4170.. Acesso em: 2 may. 2024.