North Dakota Study Group on Evaluation & Hein, G. E. (1990). The Assessment of hands-on elementary science programs. North Dakota Study Group on Evaluation, Center for Teaching and Learning, University of North Dakota.
Chicago Style (17th ed.) CitationNorth Dakota Study Group on Evaluation and George E. Hein. The Assessment of Hands-on Elementary Science Programs. Grand Forks, ND: North Dakota Study Group on Evaluation, Center for Teaching and Learning, University of North Dakota, 1990.
MLA (9th ed.) CitationNorth Dakota Study Group on Evaluation and George E. Hein. The Assessment of Hands-on Elementary Science Programs. North Dakota Study Group on Evaluation, Center for Teaching and Learning, University of North Dakota, 1990.
Warning: These citations may not always be 100% accurate.