Harem Qasim Saleem, & Abdul-Nafi Khidhir Hasan. (2020). Instructors’ perceptions of the effect of breadth and depth of lexical knowledge on english-major undergraduates’ speaking skill. QALAAI ZANIST JOURNAL, 5(4), 964–993. https://doi.org/10.25212/lfu.qzj.5.4.35