The significant differences found in certain areas of science learning between ninth grade, rural, and urban pupils

Hellman, Eugene Edward2013-01-242013-01-2419501950b14727195https://hdl.handle.net/2144/4690Thesis (Ed.M.)--Boston Universityen-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsThe significant differences found in certain areas of science learning between ninth grade, rural, and urban pupilsThesis/Dissertation