Easton, Janice, and Deborah J. Glauer. “Plant Connections Leader’s Guide—Lesson 3: What Makes Plants Grow? 4H360/4H360, Rev. 1/2015”. EDIS 2015, no. 2 (March 13, 2015): 35. Accessed April 25, 2024. https://journals.flvc.org/edis/article/view/132089.