TRUONG, H. T. H.; PHAN, T. T. Influence of nitrogen level and plant density on growth parameters and economic efficiency of sunflower cultured in Thua Thien Hue province. Hue University Journal of Science: Natural Science, [S. l.], v. 131, n. 1B, p. 19-28, 2022. DOI: 10.26459/hueunijns.v131i1B.6219. Disponível em: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/6219. Acesso em: 22 dec. 2024.