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3471
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3472
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3473
An economic analysis of developing irrigation infrastructure by mobilizing local resources Indonesian Swadaya case [microform]
Publicado em 1977Visual Material -
3474
An evaluation of preservice training of vocational agriculture teachers in the agricultural colleges and schools of Thailand [microform]
Publicado em 1977Visual Material -
3475
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3476
Nomographs and important parameters for estimation of peak rate of runoff from small watersheds by rational formula [microform]
Publicado em 1977Visual Material -
3477
Water balance study of the north zone of the Magat River Irrigation System, Isabela [microform]
Publicado em 1977Visual Material -
3478
Yield potential of grain sorghum after rice in rainfed areas [microform]
Publicado em 1977Visual Material -
3479
Prospects for raising productivity of rice by ratooning [microform]
Publicado em 1977Visual Material -
3480
Influence of herbicides on sclerotium damping-off in tomato [microform]
Publicado em 1977Visual Material