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Contributions to knowledge of Philippine agriculture 1931 / Bureau of plant industry ; comp. and ed. by Eduardo R. Alvarado.
- 853
- Bureau of printing,
- 1932.
- Manila :
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MANILA WATER SUPPLIES / LEOPOLDO A. FAUSTINO, R. H. AGUILAR.
- Bureau of printing,
- 1931.
- Manila :
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Crop diversification number / [contrib. by Sergio Osmesa...et al.].
- Department of agriculture and natural resources,
- 1931.
- Manila :