Communication levels and socio-economic development in Southern Luzon (Region IV) [microform].

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Sto. Tomas, Patricia A. 1946-
Formáid: Visual Material
Teanga:English
Foilsithe / Cruthaithe: Quezon City Photoduplication Service, University of the Philippines Library 1977.
Ábhair: