IS : 1200 ( PXXIII) -1971 method of measurement of building civil engg works
I.S. Institution
IS : 1200 ( PXXIII) -1971 method of measurement of building civil engg works - Manak Bhavan Delhi I. S.I 1972 - 9
/ ISI
IS : 1200 ( PXXIII) -1971 method of measurement of building civil engg works - Manak Bhavan Delhi I. S.I 1972 - 9
/ ISI