Teaching and Learning of Energy in K - 12 EducationRobert F. Chen, Arthur Eisenkraft, David Fortus, Joseph Krajcik, Knut Neumann · First published 2014Open the Tome
Concepts in integrated pest managementRobert F Norris, Robert F. Norris, Edward P. Caswell-Chen, Marcos Kogan · First published 2002Open the Tome
