WALAI AutoLIB – RSSRSSWALAI AutoLibWorld class readings student. Book 3 /Bruce Rogers.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00032656<img src="https://www.opac.sskru.ac.th/bookcover/32656/32656-fc-t.gif" align="left" height="150" width="120"/>130131Advanced grammar in use :a self-study reference and practice book for advanced learners of English : with answers /Martin Hewings .http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00004625<img src="https://www.opac.sskru.ac.th/bookcover/4625/4625-fc-t.gif" align="left" height="150" width="120"/>520421