[1]
Ludlow, L.H., Pedulla, J., Enterline, S., Mitescu Reagan, E., Cannady, M. and Chappe, S. 2011. Design and Implementation Issues in Longitudinal Research. Education Policy Analysis Archives. 19, (Apr. 2011), 11. DOI:https://doi.org/10.14507/epaa.v19n11.2011.