Quiroga-Ramos, Ivonne A., Gerhard Fischer, and Luz Marina Melgarejo. “Effect of Foliar Applications of Boron on the Phenological Development and Fruit Set of Purple Passion Fruits (<i>Passiflora edulis</i> F. <i>edulis</I> Sims)”. Revista Colombiana de Ciencias Hortícolas 12, no. 1 (May 2, 2018): 20–30. Accessed November 29, 2021. https://revistas.uptc.edu.co/index.php/ciencias_horticolas/article/view/7457.