@book{35879,
	author = {India . National Sample Survey Office},
	title = {NSS 23rd round : July 1968-June 1969; amendents and classification instructions to field staff},
	publisher = {Govt. of India Press},
	year = {1968},
	address = {Calcutta},
	note = {Contents: v.2. Schedules of enquiry}
}
