Julian, Jr., J.D., Hall, C.E. and Yerger, D.B. 2010. Estimating Core Unemployable And Workforce Non-Participants: A Study Of Rural Pennsylvania’s Labor Force. Journal of Business & Economics Research (JBER). 8, 2 (Feb. 2010). DOI:https://doi.org/10.19030/jber.v8i2.668.