IS:7272-(Pt.1)-1974. Indian standard recommendation for labour output constants for building work. Pt.1 : North zone.
Bureau of Indian Standards[BIS]
IS:7272-(Pt.1)-1974. Indian standard recommendation for labour output constants for building work. Pt.1 : North zone. - New Delhi Bureau of Indian Standards 1997 - 12,iip.
IS CODE / B.I.S
IS:7272-(Pt.1)-1974. Indian standard recommendation for labour output constants for building work. Pt.1 : North zone. - New Delhi Bureau of Indian Standards 1997 - 12,iip.
IS CODE / B.I.S