Ramachandran, R. (1975). Spatial diffusion of innovations in rural India: A case study of the spread of irrigation pumps in Coimbatore plateau. Institute of Development Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRamachandran, R. Spatial Diffusion of Innovations in Rural India: A Case Study of the Spread of Irrigation Pumps in Coimbatore Plateau. Institute of Development Studies, 1975.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRamachandran, R. Spatial Diffusion of Innovations in Rural India: A Case Study of the Spread of Irrigation Pumps in Coimbatore Plateau. Institute of Development Studies, 1975.
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