Assessing L2 vocabulary depth with word associates format tests: issues, findings, and suggestions.
Asian-Pacific Journal of Second and Foreign Language Education,
van Zeeland, Hilde
Christopher Brumfit Thesis Award Winner 2014 – Hilde van Zeeland: Four studies on vocabulary knowledge in and from listening: Findings and implications for future research.
Janebi Enayat, Mostafa
Amirian, Seyed Mohammad Reza
Reliable Measure of Written Receptive Vocabulary Size: Using the L2 Depth of Vocabulary Knowledge as a Yardstick.