000 00356cam a22001097a 4500
008 180718b1971 xxu||||| |||| 00| 0 eng d
082 _aO13x54 N213
245 _aA guide to communication system in hospitals
_cBy NIHAE
260 _aNew Delhi
_bNational institute of health administration and education
_c1971
300 _a29p
650 _aCommunication system
999 _c410687
_d410687