Sahrain, M. .; Hendriani, R.; Herman, H. Politeness Strategy Analysis of Speech Acts Between Lecturer and Students in English Classroom . <meta name="google-site-verification" content="hk1EvV2s9SCchFUV_4f7GgLdW5pQDckkxwSCWkj4stU" /> 2026, 4, 399-407.