17. Pragmatics Levinson, Stephen C. Cambridge [Cambridgeshire] ; Cambridge University Press, 1983. ENG486
18. Professional psychology, research and practice. [Washington, D.C.] : American Psychological Association CP616 MPT503 MPT505
19. Relationship: the heart of helping people Perlman, Helen Harris Chicago : The University of Chicago Press, 1983. SW201
20. The city and the grassroots: a cross-cultural theory of urban social movements Castells, Manuel, 1942- Berkeley, Calif. : University of California Press, c1983. HIST350
