TY  - SER
AU  - Roberto,Eduardo L.
TI  - The application of diffusion models to population programs: the Philippine case of the commercial contraceptive marketing program
T2  - Studies in the diffusion of innovation, discussion paper
AV  - HM131 O33 no.46
PY  - 1977///
CY  - Colombus
PB  - Ohio State University
KW  - Diffusion of innovations
KW  - Philippines (Republic)
KW  - Population
ER  -