Criteria for use of asphalt friction surfaces by Halstead, Woodrow J.

Practical guidelines for minimizing tort liability by Lewis, Russell M.

Shallow foundations for highway structures by Wahls, Harvey E.

Philippine science encyclopedia biological sciences

Ating kalusugan, ating buhay isang manwal para sa tagapangalaga ng kalusugan sa pamayanan

PCARRD research network research highlights 1983. by Philippine Council for Agriculture

Illustrated genera and species of Philippine plant pathogenic fungi by Quimio, Tricita H.

Public history what difference has it made? by Cole, Charles C. Jr

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Public history and local history an introduction by Williams, John Alexander

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Philippine science encyclopedia.