WALAI AutoLIB – RSSRSSWALAI AutoLibLet''s go 5 student book. / Ritsuko Nakata, Karen Frazier, Barbara Hoskins, Carolyn Graham.http://202.29.57.205/opac/catalog/BibItem.aspx?BibID=b00032857<img src="https://www.opac.sskru.ac.th/bookcover/32857/32857-fc-t.gif" align="left" height="150" width="120"/>130212Let's go 6 student book. /Ritsuko Nakata, Karen Frazier, Barbara Hoskins, Carolyn Graham.http://202.29.57.205/opac/catalog/BibItem.aspx?BibID=b00032858<img src="https://www.opac.sskru.ac.th/bookcover/32858/32858-fc-t.gif" align="left" height="150" width="120"/>130212