A solution of the problem in the elementary school grades of broadening the base for the study of plants and their importance to civilization.

Talmage, Lucille H2015-11-022015-11-0219561956b14687392https://hdl.handle.net/2144/13445Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictions.A solution of the problem in the elementary school grades of broadening the base for the study of plants and their importance to civilization.Thesis/Dissertation