Health and nutrition on labor productivity the case of Bicol road workers [microform]

Health and nutrition on labor productivity the case of Bicol road workers [microform]

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Dullin, Luz E. 1948-
Formáid: Visual Material
Teanga:English
Foilsithe / Cruthaithe: Quezon City Photoduplication Service, University of the Philippines Library 1978.
Ábhair:
Road construction workers > Labor productivity. > Bicol region.
Labor productivity > Bicol region.
Hygiene.
Nutrition.