In order to determine what is important to library users , how satisfied they are with services , what resources and physical space they are using , library assessment utilizes a variety of research methods such as Hernon , P. & Calvert , P. J. ( 1996 ) .
In order to determine what is important to library users , how satisfied they are with services , what resources and physical space they are using , library assessment utilizes a variety of research methods . 
 The main methods of library assessment are Hernon , P. & Calvert , P. J. ( 1996 ) .