WALAI AutoLIB – RSSRSSWALAI AutoLibHow the future began. Communications /Anthony Wilson.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00000073<img src="https://www.opac.sskru.ac.th/bookcover/73/73-fc-t.gif" align="left" height="150" width="120"/>520208Introduction to telecommunications /Anu Gokhale.http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00033756<img src="https://www.opac.sskru.ac.th/bookcover/33756/33756-fc-t.gif" align="left" height="150" width="120"/>130620Telecommunications :an introduction to electronic media /Lynne Schafer Gross .http://www.opac.sskru.ac.th/opac/catalog/BibItem.aspx?BibID=b00009552<img src="https://www.opac.sskru.ac.th/bookcover/9552/9552-fc-t.gif" align="left" height="150" width="120"/>530216