Ptasznik, Bartosz, and Robert Lew. “Which Learning Tools Accompanying the Paid Online Version of <i>LDOCE</I&gt; Do Advanced Learners of English Find Useful?”. Lexikos 28, no. 1 (December 17, 2018). Accessed November 23, 2024. https://lexikos.journals.ac.za/pub/article/view/1474.