USHA,NAMBUDRIOAD. (1994). SAMUHIKA BHASHA VIJNANAM(STUDY ON SOCILINGUSTICS). STATE INSTITUTE OF LANGUAGE.
Chicago-stil citatUSHA,NAMBUDRIOAD. SAMUHIKA BHASHA VIJNANAM(STUDY ON SOCILINGUSTICS). TRIVANDRUM: STATE INSTITUTE OF LANGUAGE, 1994.
MLA-referensUSHA,NAMBUDRIOAD. SAMUHIKA BHASHA VIJNANAM(STUDY ON SOCILINGUSTICS). STATE INSTITUTE OF LANGUAGE, 1994.
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