TY  - BOOK
T1  - Processes and phenomena of social change
A1  - Zaltman, Gerald
LA  - English
PP  - New York
PB  - Wiley
YR  - 1973
UL  - https://tuklas.up.edu.ph/Record/UP-99796217601908271
OP  - 463
CN  - HM 101 Z34
KW  - Social change.
KW  - Diffusion of innovations.
ER  -