Yunfei G, Aitenova JTT, Jalil (Iman) NI binti A. A systematic literature review of factors influencing English learning among Chinese undergraduates: An ecological systems theory. ijirss [Internet]. 2025 Feb. 25 [cited 2026 Aug. 26];8(1):2194-202. Available from: http://ijirss.com/index.php/ijirss/article/view/4930