00549nam a2200193 a 4500 MAIN TC930LEL Leliavsky, Serge Irrigation Engineering : canals and Barrages/ Serge Leliavsky London : Chapman and Hall, 1965 ix, 297 p. : ill. ; 24 cm. Irrigation Engineering .b10173122 24-08-05 22-08-05 20230123134057.0 NUST BOOKS TC930LEL 159633 159633 2023-01-23 00:00:00 1 TC930 LEL 92003016956 80.00 2023-01-23 BOOKS 0 LCC 0 0 NFIC 0 MAIN MAIN GEN 2023-01-23 80.00