Abdullah, N. I.; Sarudin, A. IMPAK PENGGUNAAN BAHASA DALAM IKLAN KHIDMAT MASYARAKAT PETRONAS BERDASARKAN TEORI LINGUISTIK SISTEMIK FUNGSIONAL (TLSF): IMPACT OF THE USE OF LANGUAGE IN SOCIETY ADVERTISING PETRONAS BASED ON FUNCTIONAL SYSTEMIC LINGUISTIC THEORY (TLSF). icecrs 2016, 1, picecrs.v1i1.544.