Lagos B., T. C. (2014) “Current and potential geographical distribution of white balsum Heliocarpus americanus L. in the department of Nariño”, Revista de Ciencias Agrícolas, 30(2), pp. 45–59. Available at: https://revistas.udenar.edu.co/index.php/rfacia/article/view/1674 (Accessed: 11 March 2025).