na INLIS000000000001319 20150511190432.0 9789796838264 010-051500000000044 21 001.5 001.5 Hel p Helena Olii 1961- Publik speaking / Helena Olii Cet. 3. Jakarta : Ideks, 2009 xi, 143 hlm. : ilus. ; 25 cm Publik Perpusdakedirikota 1127(20700)Pu-Kdr/Hd/2009