(1985) : A dual approach to the learning of foreign language vocabulary : the conjoining of listening comprehension and mnemonic practices, PhD thesis, Louvain-la-Neuve University (UCL), Belgium.
(1996) : “A comparison of the perceptions and practices of Chinese and French-speaking Belgian university students in the learning of English : the prelude to an improved programme of lexival expansion” ITL Review of Applied Linguistics (113-114), 275–303.
(1997) : “Some salient and persistent difficulties encountered by Chinese and Francophone students in the learning of English vocabulary”, ITL Review of Applied Linguistics (115-116), 137–164.
(1996) : “Improving lexical expansion in English: a comparison between the practices of Chinese and Francophone Belgian students”, Proceedings of the 11th International Conference of Applied Linguistics, Greece.