The Catbalogan series in Western Samar Island, Philippines [microform] - Vallisuta, Pong-Ake 1945- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 16 other titles.
Thesis (M.S.)
Originally published in College, Laguna, 1973.
Keywords: Soils -- Philippines -- Catbalogan, Samar