Vallejo B, María, Yair Prado L, Carlos Betancourth G, Luis Alfredo Molina, and Claudia Salazar González. “Determination of the Causal Agent of the Ash Spot of the (Freziera Canescens)”. Revista de Ciencias Agrícolas 29, no. 1 (September 19, 2012): 70-80. Accessed December 12, 2019. http://revistas.udenar.edu.co/index.php/rfacia/article/view/369.