Resources
https://web-a-ebscohost-com.ezp.waldenulibrary.org/ehost/detail/detail?vid=0&sid=e78a0165-75e1-4d7c-858f-8c946e392e03%40sdc-v-sessmgr02&bdata=JnNpdGU9ZWhvc3QtbGl2ZSZzY29wZT1zaXRl
https://www-sciencedirect-com.ezp.waldenulibrary.org/science/article/pii/S0952791518300219?via%3Dihub
https://web-a-ebscohost-com.ezp.waldenulibrary.org/ehost/detail/detail?vid=0&sid=d79b74e5-6c6f-4550-a444-1b63b5ee4323%40sessionmgr4008&bdata=JnNpdGU9ZWhvc3QtbGl2ZSZzY29wZT1zaXRl#AN=135573239&db=a9h
https://www-sciencedirect-com.ezp.waldenulibrary.org/science/article/pii/S1323893018301400?via%3Dihub