Improvement of irrigation facilities through groundwater development, Philippines. Laguna irrigation development project. Annex 4: Irrigation, design and operation - Technical report 1/4
Issued in 2 separates; Illus., 18 drawings, 11 maps, in pocket, various scales; 7 ref.; Summary (En);
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Summary: | Issued in 2 separates; Illus., 18 drawings, 11 maps, in pocket, various scales; 7 ref.; Summary (En); |
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