Additional Citations Airhart, D. L., K. M. Doutt, and T. W. Willis. Horticultural Therapy activities for exceptional students. Appel, G. and others. Science Book 2. Bunn, D. E. 1986.
Group cohesiveness is enhanced as children engage in plant- stimulated discovery activities .
Foster, J. 1990. The case for open space. Jessee, P., M. P. Strickland, J. D. Leeper and C. J. Hudson. Nature experiences for hospitalized children. Jones, L. E. 1984.