@article{okahana_klein_allum_sowell_2018, title={STEM Doctoral Completion of Underrepresented Minority Students: Challenges and Opportunities for Improving Participation in the Doctoral Workforce}, volume={43}, ISSN={["1573-1758"]}, DOI={10.1007/s10755-018-9425-3}, number={4}, journal={INNOVATIVE HIGHER EDUCATION}, author={Okahana, Hironao and Klein, Carrie and Allum, Jeff and Sowell, Robert}, year={2018}, month={Aug}, pages={237–255} }
 @article{sowell_ward_1998, title={Modeling processes and operations with linear programming}, ISBN={0824700414}, journal={Agricultural systems modeling and simulation}, publisher={New York : Marcel Dekker}, author={Sowell, R. S. and Ward, R. C.}, editor={R. M. Peart and Curry, R. B.Editors}, year={1998}, pages={113} }