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Lifetime Productivity of Crossbred Cows Sired by High and Low Milk EPD Angus and Hereford Bulls
(Oklahoma State University, 2003-12-01)
Elementary teachers' perceptions of engineering, engineering design, and their abilities to teach engineering: A mixed methods study
(2016-05)
This explanatory sequential mixed methods study explores elementary teachers' preparedness to teach engineering and engineering design as prescribed by the Next Generation Science Standards (NGSS). The data analyzed included ...