1. Detection and Modeling of Vegetation Phenology Spatiotemporal Characteristics in the Middle Part of the Huai River Region in China Xu, Di; Fu, Meichen 2015 Articles Functions, OrthogonalVegetation monitoringVegetation and climateEcologySustainabilityLand use--Planning
2. Examining the Earnings Trajectories of Community College Students Using a Piecewise Growth Curve Modeling Approach Jaggars, Shanna; Xu, Di 2015 Reports Education, Higher
3. Noncredit Education in Community College: Students, Course Enrollments, and Academic Outcomes Xu, Di; Ran, Xiaotao 2015 Reports Education--CurriculaAcademic achievement--ResearchEducation, Higher--ResearchCommunity collegesEducation, HigherEducation and stateSchool management and organization