Singh, R. D. (1985). Population structure of Indian cities: A case study of the cities of Bihar.
Παραπομπή Chicago StyleSingh, Ram Dayal. Population Structure of Indian Cities: A Case Study of the Cities of Bihar. New Delhi, Inter-India Publications, 1985.
Παραπομπή MLASingh, Ram Dayal. Population Structure of Indian Cities: A Case Study of the Cities of Bihar. 1985.
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