Union Catalog (iLib) 551 Index to Philippine Newspapers (IPN) 28 Index to Philippine Periodicals (IPP) 10

College of Engineering Library I 226 College of Engineering Library II 122 School of Economics 41 Main Library: University Archives 35 School of Urban and Regional Planning 31 National Institute of Geological Sciences 29 more ... Main Library: Info. Services & Instruction Section (Media Services) 20 College of Science 17 Main Library: Serials Section 17 Main Library: Filipiniana Books Section 16 Marine Science Institute 12 National Center for Transportation Studies 9 College of Home Economics 8 National Institute for Science & Mathematics Education Development 8 Main Library: Social Sciences Section 6 College of Education 4 Main Library: Info. Services & Instruction Section 4 National College of Public Administration and Governance 3 Technology Management Center 3 CSSP Reading Hall 2 College of Architecture 2 College of Law 2 Archaeological Studies Program 1 Asian Center 1 Center for Women's Studies 1 College of Social Work & Community Development 1 Institute of Biology 1 Institute of Chemistry 1 Institute of Environmental Science and Meteorology 1 Institute of Small Scale Industries 1 see all ... less ...

T - Technology 131 L - Education 60 H - Social Science 46 Q - Science 23 G - Geography, Anthropology, Recreation 11 S - Agriculture 7 more ... C - Historical Sciences 3 A - General Works 1 D - World History 1 R - Medicine 1 see all ... less ...

Water quality 191 Water quality management 141 Water 64 Water-supply 42 Pollution 41 Measurement 39 more ... Electronic books 35 Environmental aspects 26 Drinking water 25 Purification 21 Management 20 Water resources development 16 Economic aspects 15 Water supply 15 Mathematical models 14 Water quality biological assessment 14 Government policy 12 Standards 11 Groundwater 10 Water quality bioassay 10 Sanitation 9 Sewage 9 Watershed management 9 Effect of water quality on 8 Law and legislation 8 Research 8 Environmental policy 7 Hydrology 7 Water conservation 7 Design and construction 6 see all ... less ...

Geological Survey (U.S.) 13 World Health Organization 9 Economy and Environment Program for Southeast Asia 6 Resurreccion, Augustus C. 6 Mannina, Giorgio 5 Ahuja, Satinder 1933- 4 more ... Diola, Ma. Brida Lea D. 4 Freni, Gabriele 4 International Association of Hydrological Sciences 4 International Development Research Centre (Canada) 4 Laguna Lake Development Authority 4 Macasieb, Reygie Q. 4 National Research Council (U.S.). Transportation Research Board. Committee on Hydrology, Hydraulics and Water Quality 4 National Water-Quality Assessment Program (U.S.) 4 United Nations Environment Programme 4 American Water Works Association 3 Arellano, Francisco A. 3 Asian Development Bank 3 Chin, David A. 3 Chua, Grace Lawas 3 International Lake Environment Committee 3 National Water Resources Council 3 Parker, G. T. 3 Springer 3 SpringerLink (Online service) 3 Tanchuling, Maria Antonia N. 3 UNICEF 3 United States. Environmental Protection Agency 3 Varnosfaderany, M. Nemati 3 Abbasi, S. A. 2 see all ... less ...

Book 329 Article 248 Thesis 43 Conference Proceeding 10 Kit 10 Electronic 9 more ... Map 1 Serial 1 Unknown 1 see all ... less ...

English 583 Filipino 1 French 1