谁帮我找一篇关于对外贸易方面的英文文献！！

http://cnc.byr.edu.cn/pc/pccon.php?id=1509&nid=61977&s=all

本文叙述了我国钨钼资源、产量及对外贸易现状。
The situation of tungsten-molybdenum resources,output and trade were related.
http://chemyq.com/expert/ep78/775566_24AAB.htm
本文主要研究印度对外贸易持续增长的原因及其发展前景。
This article explores the factors contributing to the continued growth of India's foreign trade and its prospects.
http://kns50.chkd.cnki.net/KNS50/detail.aspx?filename=DXTQ200304034&dbname=CHKJ2003