RAKHMATILLOEVA , Rukhshonabonu. PRESENT PERFECT VS SIMPLE PAST IN AMERICAN AND BRITISH ENGLISH: A DIACHRONIC STUDY. INTERNATIONAL JOURNAL OF SCIENCE-INNOVATIVE RESEARCH, [S. l.], v. 1, n. 2, p. 122–127, 2025. Disponível em: https://globalscholars.uz/index.php/ijsir/article/view/193. Acesso em: 22 mar. 2026.