Singh, R. L., & Singh, R. P. B. (1978). Spatial planning in Indian perspective: An approach towards theory and its application. International Geographical Union, Working Group Transformation of Rural Habitat in Developing Countries and National Geographical Society of India.

Singh, R. L., and Rana P. B. Singh. Spatial Planning in Indian Perspective: An Approach Towards Theory and Its Application. Varanasi, India: International Geographical Union, Working Group Transformation of Rural Habitat in Developing Countries and National Geographical Society of India, 1978.

Singh, R. L., and Rana P. B. Singh. Spatial Planning in Indian Perspective: An Approach Towards Theory and Its Application. International Geographical Union, Working Group Transformation of Rural Habitat in Developing Countries and National Geographical Society of India, 1978.