3 1 10 Elementary reinforced cement concrete design Handoo, B.L Primary Author Mahajan, V.M Primary Author Singla, D.R Primary Author mixed material New York South-Western 1983 010021368.jpg.jpg Civil Estimating, Costing and Valuation Aggarwal, Amarjit Primary Author Chaudhry, R.C Primary Author Datta, R. C. Primary Author Singla, D. R. Primary Author mixed material Ludhiana Katson Publishing House 1980 010015404.jpg Workshop technology Aggarwal, K.B. Primary Author Singla, D.R. Primary Author mixed material Ludhiana Katson Publishing House 1981 020001072-k.jpg