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Online Encyclopedias and Books

Possible search terms -

(topic) -- economic aspects, (place or group) -- economic conditions, 

(place or group) -- economic conditions -- regional disparities

APA citations

Journal Article 

Zawacki-Richter, O., Baecker, E., & Hanft, A. (2010). Validation of competencies in e-portfolios: A qulalitative analysis. The International Review of Research in Open and Distance Learning, 12(1), 42-60. Retrieved from


Arnold, D. (2004). Art history: A very short introduction. New York, NY: Oxford University Press.


Clark, L. (2000, November 11). The lost Inca Empire. Retrieved from