COMPARATIVE EVALUATION OF COST EFFECTIVENESS OF CANAL LINING,INTERCEPTOR DRAINS AND SUBSURFACE PIPE DRAINAGE
⇐ BackCall No:333.91309547 GOP
Accession No. | 68525 |
Accession Date: | 28-SEP-02 |
Imprint | ISLAMABAD: PAKISTAN PLANNING AND DEV.DIVISION, 2002. |
Language: | ENGLISH |