Ruthenberg,Hans. (1985). Innovation policy for small farmers in the tropics: The economics of technical innovation for agricultural development. Clarendon Press.
শিকাগো স্টাইলে সাইটেশনRuthenberg,Hans. Innovation Policy for Small Farmers in the Tropics: The Economics of Technical Innovation for Agricultural Development. Oxford: Clarendon Press, 1985.
এমএলএ সাইটেশনRuthenberg,Hans. Innovation Policy for Small Farmers in the Tropics: The Economics of Technical Innovation for Agricultural Development. Clarendon Press, 1985.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.