Kiewra, Lydia, Powell, Robert B., Stern, Marc J., Hemby, Tyler, and Browning, Matthew H. Is naturalness associated with positive learning outcomes during environmental education field trips?. Retrieved from https://par.nsf.gov/biblio/10434316. The Journal of Environmental Education 54.2 Web. doi:10.1080/00958964.2022.2157369.

Kiewra, Lydia, Powell, Robert B., Stern, Marc J., Hemby, Tyler, & Browning, Matthew H. Is naturalness associated with positive learning outcomes during environmental education field trips?. The Journal of Environmental Education, 54 (2). Retrieved from https://par.nsf.gov/biblio/10434316. https://doi.org/10.1080/00958964.2022.2157369

Kiewra, Lydia, Powell, Robert B., Stern, Marc J., Hemby, Tyler, and Browning, Matthew H. "Is naturalness associated with positive learning outcomes during environmental education field trips?". The Journal of Environmental Education 54 (2). Country unknown/Code not available. https://doi.org/10.1080/00958964.2022.2157369. https://par.nsf.gov/biblio/10434316.

@article{osti_10434316,
place = {Country unknown/Code not available}, title = {Is naturalness associated with positive learning outcomes during environmental education field trips?}, url = {https://par.nsf.gov/biblio/10434316}, DOI = {10.1080/00958964.2022.2157369}, abstractNote = {}, journal = {The Journal of Environmental Education}, volume = {54}, number = {2}, author = {Kiewra, Lydia and Powell, Robert B. and Stern, Marc J. and Hemby, Tyler and Browning, Matthew H.}, }