TY  - BOOK
AU  - Halliday, M. A. K. & Hasan
TI  -  Language, context, and text: Aspects of language in a social-semiotic perspective 
SN  - 0194371549
PY  - 1989///
CY  - Oxford
PB  - OUP
N1  - LAN501 Communicative Grammar
UR  - http://library.sce.edu.bt/cgi-bin/koha/opac-retrieve-file.pl?id=e5d47f65a7e72a4ca3c84db1c7b03519
ER  -