lohr, v. (1974). problems of determining the role of agriculture in the development of national economy and society. the institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रlohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. cairo: the institute of national planning, 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रlohr, v. Problems of Determining the Role of Agriculture in the Development of National Economy and Society. the institute of national planning, 1974.
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