WALAI AutoLIB – RSSRSSWALAI AutoLibMcGraw-Hill mathematics / senior program authors, Gunnar Carlsson, Ralph L. Cohen.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00028364<img src="https://www.opac.sskru.ac.th/bookcover/28364/28364-fc-t.gif" align="left" height="150" width="120"/>120727McGraw-Hill mathematics / senior program authors, Gunnar Carlsson, Ralph L. Cohen.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00028462<img src="https://www.opac.sskru.ac.th/bookcover/28462/28462-fc-t.gif" align="left" height="150" width="120"/>120820McGraw-Hill mathematics / senior program authors, Gunnar Carlsson, Ralph L. Cohen.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00033792<img src="https://www.opac.sskru.ac.th/bookcover/33792/33792-fc-t.gif" align="left" height="150" width="120"/>130620