00468nam a22001697a 4500003000400000008004100004020001800045082001400063100001800077245004300095250001200138260004700150300001300197650003400210650003100244650002300275OSt251021b        |||||||| |||| 00| 0 eng d  a9789360741921  a691bD86B  aDuggal, S. K.  aBuilding Materials / cby S. K. Duggal  a6th ed.  a.- Londonb: New Age Internationalc, 2025  axx,616p.  aTechnology (Applied Sciences)  aConstructions of Buildings  aBuilding Materials