TY  - BOOK
AU  - Armstrong,Henry E.
TI  - The teaching of scientific method and other papers on education 
U1  - 375.5 
PY  - 1925///.
CY  - London : 
PB  - Macmillan and Co., Limited, 
KW  - Science--Study and teaching
KW  - Teaching
KW  - Eduacation
N1  - Includes index.
ER  -