Anh, Tran Thi Ngoc, Nhi Thi Nguyen, and An Thi Tan Nguyen. 2023. “The Impact of Online Self-Assessment on Learning Outcomes and Self-Assessment Skills Among Grade 11 Students in Vietnam”. International Journal of Learning, Teaching and Educational Research 22 (4):21-35. https://www.ijlter.myres.net/index.php/ijlter/article/view/1575.