Ayala Felipe Concepts for communication and development in Bilingual-Bicultural communities ed. by Florencio Sanchez Camara and Felipe Ayala Ayala Felipe; Camara Florencio Sanchez - Hague Mouton Publishers India 1979 - x,207p. cm. Standard No.: 251,584 Source: Textual Subjects--Topical Terms: SOCIOLOGY Dewey Class. No.: Y73:393p7,N73, L9