Research report--Project on the Diffusion of Innovations in Rural Societies
National Institute of Community Development
Lalit K. Sen
National Institute of Community Development 1969 Research report--Project on the Diffusion of Innovations in Rural Societies 22
所蔵館3館
Joseph E. Kivlin ... [et al.]
National Institute of Community Development 1968 Research report--Project on the Diffusion of Innovations in Rural Societies 15
所蔵館2館