00418nam a22001457i 4500001001000000005001700010008004100027082001800068100002200086245005600108260004300164300001700207650003000224020001800254SXC03431420260819093936.0260101s2017    ii            000 0 eng d  a425 AGG-E222  aAggarwal, Shalini10aEssential Communication skills /cAggarwal, Shalini  abAne Books Pvt Ltd., New Delhi,c2017  ap. ;c22 cm. 0aEnglish structural system  a9781505244038