Schumann, A., Waldo, L., Mungofa, P. and Oswalt, C. 2020. Computer Tools for Diagnosing Citrus Leaf Symptoms (Part 2): Smartphone Apps for Expert Diagnosis of Citrus Leaf Symptoms: SL478/SS691, 9/2020. EDIS. 2020, 5 (Oct. 2020). DOI:https://doi.org/10.32473/edis-ss691-2020.