India.central statistical organisation
Annual survey of industry time series data vol. i series a 1973-74 to 1981-82 - New Delhi Government of India 2001 - 608p
National industrial classification
338.7 / IND.A
Annual survey of industry time series data vol. i series a 1973-74 to 1981-82 - New Delhi Government of India 2001 - 608p
National industrial classification
338.7 / IND.A