00286nam a2200109Ia 450000500170000000800410001708200180005810000190007624500420009526000290013730000100016620260205060414.0260111s9999||||xx |||||||||||||| ||und||  a647.94  N312H  aNegi, Jagmohan 0aHousekeeping operation and management  aND.bKanishka pub.c2011  a147p.