Housekeeping operations 
Housekeeping operations 
 -  "ix, 264 p. : col. ill. ; 26 cm., pbk." 
 - USA  3G E - Learning  2017 
<br/><br/><label>ISBN: </label>9781680954258 
<br/><br/><label>Dewey Class. No.: </label>647.94068 ELE  / 22.647.94068 ELE