Vazirani, V. N. creator text S.l.] South Asia Books 2010 monographic 1148 p. ; Civil Engineering - Estimating Civil Engineering - Costing 8174091270 9788174091277 https://books.google.com.pk/books?id=Kd9JGQAACAAJ&dq=civil+engineering+estimating+costing+and+valuation+by+vazirani&hl=en&sa=X&redir_esc=y https://books.google.com.pk/books?id=Kd9JGQAACAAJ&dq=civil+engineering+estimating+costing+and+valuation+by+vazirani&hl=en&sa=X&redir_esc=y