SANICO, Zenith; SANICO, Jovie; RUAYA, Shyrell. Socio-Demographic Variables and Their Influence on English Grammar Proficiency: A Literature Review. JPAIR Institutional Research, [S. l.], v. 27, n. 1, p. 184–191, 2026. DOI: 10.7719/irj.v27i1.1037. Disponível em: https://www.philair.org/index.php/irj/article/view/1037. Acesso em: 28 aug. 2026.