Investigation of hemp (Cannabis sativa L.) crop weediness. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference, [S. l.], v. 2, p. 120–123, 2015. DOI: 10.17770/etr2015vol2.272. Disponível em: https://archive-journals.rtu.lv/etr/article/view/3976.. Acesso em: 11 mar. 2026.