Teacher Vathna Lay https://library.camtech.edu.kh/cgi-bin/koha/opac-shelves.pl?rss=1&viewshelf=45 RSS feed for public list Teacher Vathna Lay Database system concepts [electronic resource]/ by Silberschatz, Abraham, https://library.camtech.edu.kh/cgi-bin/koha/opac-detail.pl?biblionumber=1282 Fundamentals of database management systems [electronic resource]/ by Gillenson, Mark L. https://library.camtech.edu.kh/cgi-bin/koha/opac-detail.pl?biblionumber=1283 Fundamentals of database systems [electronic resource]/ by Elmasri, Ramez, https://library.camtech.edu.kh/cgi-bin/koha/opac-detail.pl?biblionumber=1281