MIFTAHULKHAIRAH ANWAR, ENDRY BOERISWATI, EVELINE SIREGAR, DADANG S. ANSHORI, RENADINI NURFITRI. “SYNTACTIC IMPOLITENESS FEATURES IN SCHOOL LINGUISTIC LANDSCAPES”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. S8 (2025): Posted 05 November, Nov. 2025, pp. 834-43, https://tpmap.org/submission/index.php/tpm/article/view/2758.