Elementary-school science and how to teach it /
Blough, Glenn Orlando.
Elementary-school science and how to teach it / [by] Glenn O. Blough, Julius Schwartz [and] Albert J. Huggett. - Rev. ed. - New York : Holt, Rinehart and Winston, c1958 - xvi, 608 p. : ill. ; 26 cm.
Includes Bibliographical References and Index
Science--Study and teaching.
372.35 / BLE 1958
Elementary-school science and how to teach it / [by] Glenn O. Blough, Julius Schwartz [and] Albert J. Huggett. - Rev. ed. - New York : Holt, Rinehart and Winston, c1958 - xvi, 608 p. : ill. ; 26 cm.
Includes Bibliographical References and Index
Science--Study and teaching.
372.35 / BLE 1958