1. Apache HBase. (n.d.). Apache HBaseTM Home. https://hbase.apache.org/
2. Apache Kafka. (n.d.). https://kafka.apache.org/
3. SparkA. (n.d.). https://runawayhorse001.github.io/LearningApacheSpark/setup.html
4. Arkansas Plant Disease Database. (n.d.). https://www.uaex.edu/yard-garden/resource-library/diseases/