Thier, Herbert D.
Teaching elementary school science : a laboratory approach / Herbert D. Thier. - New Delhi : Sterling, c 1970. - vii, 273 p. : ill. ; 24 cm.
Includes index.
316 316
Primary education---teaching.
507 / T347t
Teaching elementary school science : a laboratory approach / Herbert D. Thier. - New Delhi : Sterling, c 1970. - vii, 273 p. : ill. ; 24 cm.
Includes index.
316 316
Primary education---teaching.
507 / T347t