Nájera-Sánchez J-J, Mora-Valentín E-M, Ortiz-de-Urbina-Criado M, Moura-Díez P. Mapping the conceptual structure of environmental management: a co-word analysis. BTP [Internet]. 2019Feb.12 [cited 2024Nov.25];20:69-80. Available from: https://aviation.vgtu.lt/index.php/BTP/article/view/10468