00000cam a22000004a 4500 UP-99796217606666999 Buklod 20230503092542.0 m |o d | ta 040326s1965 nyu r |||| u|eng d (iLib)UPD-00000413181 DISMED eng Q 181 J33 1965 v.6 Jacobson, Willard J. Thinking ahead in science investigating in science Willard J. Jacobson, C.J. Lauby, R.D. Konicek. Teacher's annotated ed. New York American Book Co. c1965. 352 p. ill. G140 Science Study and teaching. Lau, Cecilia J. Konicek, Richard D. Book FO UPD DISMED Q 181 J33 1965 v.6 Book